diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index 21cfe17..3bdc9cc 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -712,6 +712,17 @@ $routes->get('Opd_prescription/opd_invest_profile_master_get/(:num)', 'Opd_presc
 $routes->post('Opd_prescription/opd_invest_profile_master_save', 'Opd_prescription::opd_invest_profile_master_save');
 $routes->post('Opd_prescription/opd_invest_profile_master_remove/(:num)', 'Opd_prescription::opd_invest_profile_master_remove/$1');
 
+// Clinical Master (Complaints + Diagnosis)
+$routes->get('Opd_prescription/clinical_master_workspace', 'Opd_prescription::clinical_master_workspace', ['filter' => 'permission:doctor_work.medicine.manage,doctor_work.access']);
+$routes->get('Opd_prescription/complaints_master_data', 'Opd_prescription::complaints_master_data');
+$routes->get('Opd_prescription/complaints_master_get/(:num)', 'Opd_prescription::complaints_master_get/$1');
+$routes->post('Opd_prescription/complaints_master_save', 'Opd_prescription::complaints_master_save');
+$routes->post('Opd_prescription/complaints_master_remove/(:num)', 'Opd_prescription::complaints_master_remove/$1');
+$routes->get('Opd_prescription/disease_master_data', 'Opd_prescription::disease_master_data');
+$routes->get('Opd_prescription/disease_master_get/(:num)', 'Opd_prescription::disease_master_get/$1');
+$routes->post('Opd_prescription/disease_master_save', 'Opd_prescription::disease_master_save');
+$routes->post('Opd_prescription/disease_master_remove/(:num)', 'Opd_prescription::disease_master_remove/$1');
+
 $routes->get('Opd_prescription/medicine_search', 'Opd_prescription::medicine_search');
 $routes->get('Opd_prescription/medicine_substitutes', 'Opd_prescription::medicine_substitutes');
 $routes->get('Opd_prescription/medicine_list/(:num)', 'Opd_prescription::medicine_list/$1');
diff --git a/app/Controllers/Opd_prescription.php b/app/Controllers/Opd_prescription.php
index 0e6c582..fcea750 100644
--- a/app/Controllers/Opd_prescription.php
+++ b/app/Controllers/Opd_prescription.php
@@ -4052,6 +4052,282 @@ class Opd_prescription extends BaseController
 
     // ─────────────────────────────────────────────────────────────────────────
 
+    // ─── Clinical Master Workspace (Complaints + Diagnosis/Disease) ────────
+
+    public function clinical_master_workspace(): string
+    {
+        return view('billing/opd_clinical_master_workspace');
+    }
+
+    // --- Complaints Master -------------------------------------------------
+
+    public function complaints_master_data(): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->db->tableExists('complaints_master')) {
+            return $this->response->setJSON(['data' => [], 'recordsTotal' => 0, 'recordsFiltered' => 0]);
+        }
+
+        $start   = (int) ($this->request->getGet('start') ?? 0);
+        $length  = (int) ($this->request->getGet('length') ?? 25);
+        $filter  = trim((string) ($this->request->getGet('filter') ?? ''));
+        $snomed  = (int) ($this->request->getGet('snomed_only') ?? 0);
+
+        $qb = $this->db->table('complaints_master');
+
+        if ($filter !== '') {
+            $qb->groupStart()
+               ->like('Name', $filter)
+               ->orLike('name_hinglish', $filter)
+               ->orLike('keywords', $filter)
+               ->groupEnd();
+        }
+        if ($snomed === 1) {
+            $qb->where('snomed_concept_id IS NOT NULL')->where("snomed_concept_id != ''");
+        }
+
+        $total = (clone $qb)->countAllResults(false);
+        $rows  = $qb->select('Code, Name, show_in_short, name_hinglish, ai_hint, is_active, snomed_concept_id, snomed_term')
+                    ->orderBy('show_in_short', 'DESC')
+                    ->orderBy('Name', 'ASC')
+                    ->limit($length, $start)
+                    ->get()
+                    ->getResultArray();
+
+        return $this->response->setJSON([
+            'recordsTotal'    => $total,
+            'recordsFiltered' => $total,
+            'data'            => $rows,
+        ]);
+    }
+
+    public function complaints_master_get(int $code): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->db->tableExists('complaints_master')) {
+            return $this->response->setStatusCode(404)->setJSON(['error' => 'Table not found']);
+        }
+        $row = $this->db->table('complaints_master')
+            ->where('Code', $code)
+            ->get(1)
+            ->getRowArray();
+        if (! $row) {
+            return $this->response->setStatusCode(404)->setJSON(['error' => 'Not found']);
+        }
+        return $this->response->setJSON(['row' => $row]);
+    }
+
+    public function complaints_master_save(): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->request->isAJAX()) {
+            return $this->response->setStatusCode(400)->setJSON(['update' => 0]);
+        }
+        if (! $this->db->tableExists('complaints_master')) {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Table not found']);
+        }
+
+        $code            = (int) ($this->request->getPost('Code') ?? 0);
+        $name            = strtoupper(trim((string) ($this->request->getPost('Name') ?? '')));
+        $nameHinglish    = trim((string) ($this->request->getPost('name_hinglish') ?? ''));
+        $keywords        = trim((string) ($this->request->getPost('keywords') ?? ''));
+        $aiHint          = trim((string) ($this->request->getPost('ai_hint') ?? ''));
+        $showInShort     = (int) ($this->request->getPost('show_in_short') ?? 0);
+        $isActive        = (int) ($this->request->getPost('is_active') ?? 1);
+        $snomedConceptId = trim((string) ($this->request->getPost('snomed_concept_id') ?? ''));
+        $snomedTerm      = trim((string) ($this->request->getPost('snomed_term') ?? ''));
+
+        if ($name === '') {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Name is required']);
+        }
+
+        $payload = [
+            'Name'             => $name,
+            'name_hinglish'    => $nameHinglish !== '' ? $nameHinglish : null,
+            'keywords'         => $keywords !== '' ? $keywords : null,
+            'ai_hint'          => $aiHint !== '' ? $aiHint : null,
+            'show_in_short'    => $showInShort ? 1 : 0,
+            'is_active'        => $isActive ? 1 : 0,
+            'snomed_concept_id'=> $snomedConceptId !== '' ? $snomedConceptId : null,
+            'snomed_term'      => $snomedTerm !== '' ? $snomedTerm : null,
+            'updated_at'       => date('Y-m-d H:i:s'),
+        ];
+
+        if ($code > 0) {
+            $this->db->table('complaints_master')->where('Code', $code)->update($payload);
+            $newCode = $code;
+            $msg = 'Complaint updated';
+        } else {
+            // auto Code
+            $maxCode = (int) ($this->db->table('complaints_master')->selectMax('Code')->get()->getRowArray()['Code'] ?? 0);
+            $newCode = $maxCode + 1;
+            $payload['Code']       = $newCode;
+            $payload['created_at'] = date('Y-m-d H:i:s');
+            $this->db->table('complaints_master')->insert($payload);
+            $msg = 'Complaint added';
+        }
+
+        return $this->response->setJSON([
+            'update'     => 1,
+            'error_text' => $msg,
+            'code'       => $newCode,
+            'csrfName'   => csrf_token(),
+            'csrfHash'   => csrf_hash(),
+        ]);
+    }
+
+    public function complaints_master_remove(int $code): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->request->isAJAX()) {
+            return $this->response->setStatusCode(400)->setJSON(['update' => 0]);
+        }
+        if (! $this->db->tableExists('complaints_master')) {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Table not found']);
+        }
+
+        // Soft-delete: set is_active = 0
+        $this->db->table('complaints_master')
+            ->where('Code', $code)
+            ->update(['is_active' => 0, 'updated_at' => date('Y-m-d H:i:s')]);
+
+        return $this->response->setJSON([
+            'update'     => 1,
+            'error_text' => 'Complaint deactivated',
+            'csrfName'   => csrf_token(),
+            'csrfHash'   => csrf_hash(),
+        ]);
+    }
+
+    // --- Disease/Diagnosis Master ------------------------------------------
+
+    public function disease_master_data(): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->db->tableExists('disease_master')) {
+            return $this->response->setJSON(['data' => [], 'recordsTotal' => 0, 'recordsFiltered' => 0]);
+        }
+
+        $start  = (int) ($this->request->getGet('start') ?? 0);
+        $length = (int) ($this->request->getGet('length') ?? 25);
+        $filter = trim((string) ($this->request->getGet('filter') ?? ''));
+        $snomed = (int) ($this->request->getGet('snomed_only') ?? 0);
+
+        $fields = $this->db->getFieldNames('disease_master') ?? [];
+        $hasIsActive = in_array('is_active', $fields, true);
+
+        $qb = $this->db->table('disease_master');
+
+        if ($filter !== '') {
+            $qb->groupStart()->like('Name', $filter)->groupEnd();
+        }
+        if ($snomed === 1) {
+            $qb->where('snomed_concept_id IS NOT NULL')->where("snomed_concept_id != ''");
+        }
+
+        $total  = (clone $qb)->countAllResults(false);
+        $select = 'Code, Name' . ($hasIsActive ? ', is_active' : '') . ', snomed_concept_id, snomed_term';
+        $rows   = $qb->select($select)
+                     ->orderBy('Name', 'ASC')
+                     ->limit($length, $start)
+                     ->get()
+                     ->getResultArray();
+
+        return $this->response->setJSON([
+            'recordsTotal'    => $total,
+            'recordsFiltered' => $total,
+            'data'            => $rows,
+        ]);
+    }
+
+    public function disease_master_get(int $code): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->db->tableExists('disease_master')) {
+            return $this->response->setStatusCode(404)->setJSON(['error' => 'Table not found']);
+        }
+        $row = $this->db->table('disease_master')
+            ->where('Code', $code)
+            ->get(1)
+            ->getRowArray();
+        if (! $row) {
+            return $this->response->setStatusCode(404)->setJSON(['error' => 'Not found']);
+        }
+        return $this->response->setJSON(['row' => $row]);
+    }
+
+    public function disease_master_save(): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->request->isAJAX()) {
+            return $this->response->setStatusCode(400)->setJSON(['update' => 0]);
+        }
+        if (! $this->db->tableExists('disease_master')) {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Table not found']);
+        }
+
+        $code            = (int) ($this->request->getPost('Code') ?? 0);
+        $name            = strtoupper(trim((string) ($this->request->getPost('Name') ?? '')));
+        $snomedConceptId = trim((string) ($this->request->getPost('snomed_concept_id') ?? ''));
+        $snomedTerm      = trim((string) ($this->request->getPost('snomed_term') ?? ''));
+        $isActive        = (int) ($this->request->getPost('is_active') ?? 1);
+
+        if ($name === '') {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Name is required']);
+        }
+
+        $fields = $this->db->getFieldNames('disease_master') ?? [];
+        $hasIsActive = in_array('is_active', $fields, true);
+
+        $payload = [
+            'Name'              => $name,
+            'snomed_concept_id' => $snomedConceptId !== '' ? $snomedConceptId : null,
+            'snomed_term'       => $snomedTerm !== '' ? $snomedTerm : null,
+        ];
+        if ($hasIsActive) {
+            $payload['is_active'] = $isActive ? 1 : 0;
+        }
+
+        if ($code > 0) {
+            $this->db->table('disease_master')->where('Code', $code)->update($payload);
+            $newCode = $code;
+            $msg = 'Diagnosis updated';
+        } else {
+            $maxCode = (int) ($this->db->table('disease_master')->selectMax('Code')->get()->getRowArray()['Code'] ?? 0);
+            $newCode = $maxCode + 1;
+            $payload['Code'] = $newCode;
+            $this->db->table('disease_master')->insert($payload);
+            $msg = 'Diagnosis added';
+        }
+
+        return $this->response->setJSON([
+            'update'     => 1,
+            'error_text' => $msg,
+            'code'       => $newCode,
+            'csrfName'   => csrf_token(),
+            'csrfHash'   => csrf_hash(),
+        ]);
+    }
+
+    public function disease_master_remove(int $code): \CodeIgniter\HTTP\ResponseInterface
+    {
+        if (! $this->request->isAJAX()) {
+            return $this->response->setStatusCode(400)->setJSON(['update' => 0]);
+        }
+        if (! $this->db->tableExists('disease_master')) {
+            return $this->response->setJSON(['update' => 0, 'error_text' => 'Table not found']);
+        }
+
+        $fields = $this->db->getFieldNames('disease_master') ?? [];
+        if (in_array('is_active', $fields, true)) {
+            $this->db->table('disease_master')->where('Code', $code)->update(['is_active' => 0]);
+        } else {
+            $this->db->table('disease_master')->where('Code', $code)->delete();
+        }
+
+        return $this->response->setJSON([
+            'update'     => 1,
+            'error_text' => 'Diagnosis deactivated',
+            'csrfName'   => csrf_token(),
+            'csrfHash'   => csrf_hash(),
+        ]);
+    }
+
+    // ─────────────────────────────────────────────────────────────────────────
+
     public function opd_medicince_duplicate_report()
     {
         $medicineModel = new OpdMedicineModel($this->db);
diff --git a/app/Database/Migrations/2026-05-20-000001_AddSnomedColumnsToClinicalMasters.php b/app/Database/Migrations/2026-05-20-000001_AddSnomedColumnsToClinicalMasters.php
new file mode 100644
index 0000000..03e7c19
--- /dev/null
+++ b/app/Database/Migrations/2026-05-20-000001_AddSnomedColumnsToClinicalMasters.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class AddSnomedColumnsToClinicalMasters extends Migration
+{
+    public function up(): void
+    {
+        // complaints_master
+        if ($this->db->tableExists('complaints_master')) {
+            $fields = $this->db->getFieldNames('complaints_master') ?? [];
+
+            if (! in_array('snomed_concept_id', $fields, true)) {
+                $this->forge->addColumn('complaints_master', [
+                    'snomed_concept_id' => [
+                        'type'       => 'VARCHAR',
+                        'constraint' => 20,
+                        'null'       => true,
+                        'default'    => null,
+                        'after'      => 'is_active',
+                    ],
+                ]);
+            }
+
+            if (! in_array('snomed_term', $fields, true)) {
+                $this->forge->addColumn('complaints_master', [
+                    'snomed_term' => [
+                        'type'       => 'VARCHAR',
+                        'constraint' => 255,
+                        'null'       => true,
+                        'default'    => null,
+                        'after'      => 'snomed_concept_id',
+                    ],
+                ]);
+            }
+        }
+
+        // disease_master
+        if ($this->db->tableExists('disease_master')) {
+            $fields = $this->db->getFieldNames('disease_master') ?? [];
+
+            if (! in_array('snomed_concept_id', $fields, true)) {
+                $this->forge->addColumn('disease_master', [
+                    'snomed_concept_id' => [
+                        'type'       => 'VARCHAR',
+                        'constraint' => 20,
+                        'null'       => true,
+                        'default'    => null,
+                    ],
+                ]);
+            }
+
+            if (! in_array('snomed_term', $fields, true)) {
+                $this->forge->addColumn('disease_master', [
+                    'snomed_term' => [
+                        'type'       => 'VARCHAR',
+                        'constraint' => 255,
+                        'null'       => true,
+                        'default'    => null,
+                    ],
+                ]);
+            }
+
+            if (! in_array('is_active', $fields, true)) {
+                $this->forge->addColumn('disease_master', [
+                    'is_active' => [
+                        'type'       => 'TINYINT',
+                        'constraint' => 1,
+                        'default'    => 1,
+                        'after'      => 'snomed_term',
+                    ],
+                ]);
+            }
+        }
+    }
+
+    public function down(): void
+    {
+        if ($this->db->tableExists('complaints_master')) {
+            $fields = $this->db->getFieldNames('complaints_master') ?? [];
+            if (in_array('snomed_concept_id', $fields, true)) {
+                $this->forge->dropColumn('complaints_master', 'snomed_concept_id');
+            }
+            if (in_array('snomed_term', $fields, true)) {
+                $this->forge->dropColumn('complaints_master', 'snomed_term');
+            }
+        }
+
+        if ($this->db->tableExists('disease_master')) {
+            $fields = $this->db->getFieldNames('disease_master') ?? [];
+            if (in_array('snomed_concept_id', $fields, true)) {
+                $this->forge->dropColumn('disease_master', 'snomed_concept_id');
+            }
+            if (in_array('snomed_term', $fields, true)) {
+                $this->forge->dropColumn('disease_master', 'snomed_term');
+            }
+            if (in_array('is_active', $fields, true)) {
+                $this->forge->dropColumn('disease_master', 'is_active');
+            }
+        }
+    }
+}
diff --git a/app/Views/billing/opd_clinical_master_workspace.php b/app/Views/billing/opd_clinical_master_workspace.php
new file mode 100644
index 0000000..72ba247
--- /dev/null
+++ b/app/Views/billing/opd_clinical_master_workspace.php
@@ -0,0 +1,661 @@
+<section class="container-fluid py-3">
+
+    <div class="d-flex align-items-center gap-2 mb-3">
+        <h5 class="mb-0">Clinical Master</h5>
+        <span class="text-muted small">Manage Chief Complaints &amp; Diagnosis options with SNOMED CT coding</span>
+    </div>
+
+    <!-- Tab nav -->
+    <ul class="nav nav-tabs mb-3" id="clinicalMasterTabs">
+        <li class="nav-item">
+            <button class="nav-link active" data-tab="complaints" type="button">
+                <i class="bi bi-chat-left-text me-1"></i> Chief Complaints
+            </button>
+        </li>
+        <li class="nav-item">
+            <button class="nav-link" data-tab="diagnosis" type="button">
+                <i class="bi bi-clipboard2-pulse me-1"></i> Diagnosis / Disease
+            </button>
+        </li>
+    </ul>
+
+    <!-- ══════════════ COMPLAINTS TAB ══════════════ -->
+    <div id="tab_complaints">
+        <div class="row g-3">
+
+            <!-- List -->
+            <div class="col-md-8">
+                <div class="card">
+                    <div class="card-header d-flex flex-wrap gap-2 align-items-center">
+                        <input type="text" id="cm_filter" class="form-control form-control-sm" style="max-width:220px;" placeholder="Search name / keyword…">
+                        <div class="form-check ms-2 mb-0">
+                            <input class="form-check-input" type="checkbox" id="cm_snomed_only">
+                            <label class="form-check-label small" for="cm_snomed_only">SNOMED coded only</label>
+                        </div>
+                        <button type="button" class="btn btn-success btn-sm ms-auto" id="btn_cm_new">
+                            <i class="bi bi-plus-lg"></i> New Complaint
+                        </button>
+                        <span class="badge bg-secondary" id="cm_total_badge">—</span>
+                    </div>
+                    <div class="card-body p-0">
+                        <div class="table-responsive">
+                            <table id="tbl_cm" class="table table-bordered table-sm table-hover mb-0">
+                                <thead class="table-light">
+                                    <tr>
+                                        <th>Name</th>
+                                        <th width="160">SNOMED CT</th>
+                                        <th width="80" class="text-center">Short</th>
+                                        <th width="70" class="text-center">Active</th>
+                                        <th width="90" class="text-center">Action</th>
+                                    </tr>
+                                </thead>
+                                <tbody id="cm_tbody">
+                                    <tr><td colspan="5" class="text-muted text-center py-3">Loading…</td></tr>
+                                </tbody>
+                            </table>
+                        </div>
+                        <div class="d-flex align-items-center gap-3 px-3 py-2 border-top small">
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="cm_prev">‹ Prev</button>
+                            <span id="cm_page_info">—</span>
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="cm_next">Next ›</button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <!-- Form -->
+            <div class="col-md-4">
+                <div class="card">
+                    <div class="card-header"><strong id="cm_form_title">New Complaint</strong></div>
+                    <div class="card-body">
+                        <?= csrf_field() ?>
+                        <input type="hidden" id="cm_code" value="0">
+
+                        <div class="mb-2">
+                            <label class="form-label">Name <span class="text-danger">*</span></label>
+                            <input type="text" id="cm_name" class="form-control form-control-sm"
+                                placeholder="e.g. FEVER, HEADACHE" style="text-transform:uppercase;">
+                        </div>
+
+                        <div class="mb-2">
+                            <label class="form-label">SNOMED CT <small class="text-muted">(finding / symptom)</small></label>
+                            <div class="position-relative">
+                                <input type="text" id="cm_snomed_search" class="form-control form-control-sm"
+                                    placeholder="Type to search SNOMED…" autocomplete="off">
+                                <div id="cm_snomed_dd" class="list-group shadow position-absolute w-100"
+                                    style="z-index:1060;display:none;max-height:210px;overflow-y:auto;"></div>
+                            </div>
+                            <div id="cm_snomed_selected" class="mt-1 small text-success" style="display:none;"></div>
+                            <input type="hidden" id="cm_snomed_concept_id" value="">
+                            <input type="hidden" id="cm_snomed_term" value="">
+                            <button type="button" class="btn btn-link btn-sm p-0 mt-1" id="btn_cm_snomed_clear"
+                                style="display:none;font-size:.75rem;">&#x2715; Clear SNOMED</button>
+                        </div>
+
+                        <div class="mb-2">
+                            <label class="form-label">Hinglish Name</label>
+                            <input type="text" id="cm_name_hinglish" class="form-control form-control-sm" placeholder="e.g. bukhar">
+                        </div>
+
+                        <div class="mb-2">
+                            <label class="form-label">Keywords <small class="text-muted">(comma separated)</small></label>
+                            <input type="text" id="cm_keywords" class="form-control form-control-sm"
+                                placeholder="e.g. fever,bukhar,taap">
+                        </div>
+
+                        <div class="mb-2">
+                            <label class="form-label">AI Hint</label>
+                            <input type="text" id="cm_ai_hint" class="form-control form-control-sm"
+                                placeholder="e.g. fever with duration and pattern">
+                        </div>
+
+                        <div class="mb-2 d-flex gap-3">
+                            <div class="form-check">
+                                <input class="form-check-input" type="checkbox" id="cm_show_in_short" value="1">
+                                <label class="form-check-label small" for="cm_show_in_short">Show in Short List</label>
+                            </div>
+                            <div class="form-check">
+                                <input class="form-check-input" type="checkbox" id="cm_is_active" value="1" checked>
+                                <label class="form-check-label small" for="cm_is_active">Active</label>
+                            </div>
+                        </div>
+
+                        <div class="d-flex gap-2 mt-3">
+                            <button type="button" class="btn btn-primary btn-sm" id="btn_cm_save">Save</button>
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="btn_cm_reset">Reset</button>
+                        </div>
+                        <div class="small mt-2" id="cm_msg">Ready.</div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div><!-- /tab_complaints -->
+
+    <!-- ══════════════ DIAGNOSIS TAB ══════════════ -->
+    <div id="tab_diagnosis" style="display:none;">
+        <div class="row g-3">
+
+            <!-- List -->
+            <div class="col-md-8">
+                <div class="card">
+                    <div class="card-header d-flex flex-wrap gap-2 align-items-center">
+                        <input type="text" id="dm_filter" class="form-control form-control-sm" style="max-width:220px;" placeholder="Search diagnosis name…">
+                        <div class="form-check ms-2 mb-0">
+                            <input class="form-check-input" type="checkbox" id="dm_snomed_only">
+                            <label class="form-check-label small" for="dm_snomed_only">SNOMED coded only</label>
+                        </div>
+                        <button type="button" class="btn btn-success btn-sm ms-auto" id="btn_dm_new">
+                            <i class="bi bi-plus-lg"></i> New Diagnosis
+                        </button>
+                        <span class="badge bg-secondary" id="dm_total_badge">—</span>
+                    </div>
+                    <div class="card-body p-0">
+                        <div class="table-responsive">
+                            <table id="tbl_dm" class="table table-bordered table-sm table-hover mb-0">
+                                <thead class="table-light">
+                                    <tr>
+                                        <th>Name</th>
+                                        <th width="180">SNOMED CT</th>
+                                        <th width="70" class="text-center">Active</th>
+                                        <th width="90" class="text-center">Action</th>
+                                    </tr>
+                                </thead>
+                                <tbody id="dm_tbody">
+                                    <tr><td colspan="4" class="text-muted text-center py-3">Loading…</td></tr>
+                                </tbody>
+                            </table>
+                        </div>
+                        <div class="d-flex align-items-center gap-3 px-3 py-2 border-top small">
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="dm_prev">‹ Prev</button>
+                            <span id="dm_page_info">—</span>
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="dm_next">Next ›</button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <!-- Form -->
+            <div class="col-md-4">
+                <div class="card">
+                    <div class="card-header"><strong id="dm_form_title">New Diagnosis</strong></div>
+                    <div class="card-body">
+                        <input type="hidden" id="dm_code" value="0">
+
+                        <div class="mb-2">
+                            <label class="form-label">Name <span class="text-danger">*</span></label>
+                            <input type="text" id="dm_name" class="form-control form-control-sm"
+                                placeholder="e.g. DIABETES MELLITUS TYPE 2" style="text-transform:uppercase;">
+                        </div>
+
+                        <div class="mb-2">
+                            <label class="form-label">SNOMED CT <small class="text-muted">(disorder / clinical finding)</small></label>
+                            <div class="position-relative">
+                                <input type="text" id="dm_snomed_search" class="form-control form-control-sm"
+                                    placeholder="Type to search SNOMED…" autocomplete="off">
+                                <div id="dm_snomed_dd" class="list-group shadow position-absolute w-100"
+                                    style="z-index:1060;display:none;max-height:210px;overflow-y:auto;"></div>
+                            </div>
+                            <div id="dm_snomed_selected" class="mt-1 small text-success" style="display:none;"></div>
+                            <input type="hidden" id="dm_snomed_concept_id" value="">
+                            <input type="hidden" id="dm_snomed_term" value="">
+                            <button type="button" class="btn btn-link btn-sm p-0 mt-1" id="btn_dm_snomed_clear"
+                                style="display:none;font-size:.75rem;">&#x2715; Clear SNOMED</button>
+                        </div>
+
+                        <div class="mb-2">
+                            <div class="form-check">
+                                <input class="form-check-input" type="checkbox" id="dm_is_active" value="1" checked>
+                                <label class="form-check-label small" for="dm_is_active">Active</label>
+                            </div>
+                        </div>
+
+                        <div class="d-flex gap-2 mt-3">
+                            <button type="button" class="btn btn-primary btn-sm" id="btn_dm_save">Save</button>
+                            <button type="button" class="btn btn-outline-secondary btn-sm" id="btn_dm_reset">Reset</button>
+                        </div>
+                        <div class="small mt-2" id="dm_msg">Ready.</div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div><!-- /tab_diagnosis -->
+
+</section>
+
+<script>
+(function () {
+    /* ── helpers ────────────────────────────────────────────────────── */
+    function esc(t) { return $('<div>').text((t||'').toString()).html(); }
+
+    function getCsrf() {
+        var inp = document.querySelector('input[name="<?= csrf_token() ?>"]');
+        return inp ? { name: inp.getAttribute('name'), value: inp.value }
+                   : { name: '<?= csrf_token() ?>', value: '<?= csrf_hash() ?>' };
+    }
+    function updateCsrf(data) {
+        if (!data || !data.csrfName) return;
+        var inp = document.querySelector('input[name="' + data.csrfName + '"]');
+        if (inp) inp.value = data.csrfHash || '';
+    }
+    function apiPost(url, payload, cb) {
+        var csrf = getCsrf();
+        payload = payload || {};
+        payload[csrf.name] = csrf.value;
+        $.post(url, payload, function (d) { updateCsrf(d); cb(d || {}); }, 'json')
+         .fail(function (xhr) { cb({ update: 0, error_text: 'Request failed (' + xhr.status + ')' }); });
+    }
+    function apiGet(url, cb) {
+        $.get(url, function (d) { cb(d || {}); }, 'json')
+         .fail(function (xhr) { cb({ error: 'Request failed (' + xhr.status + ')' }); });
+    }
+    function snomedBadge(conceptId, term) {
+        if (!conceptId) return '<span class="text-muted small">—</span>';
+        var label = esc(term || conceptId);
+        return '<span class="badge bg-info text-dark" title="' + esc(conceptId) + '">' + label + '</span>';
+    }
+    function toast(msg, type) {
+        var cls = type === 'ok' ? 'alert-success' : type === 'err' ? 'alert-danger' : 'alert-info';
+        var id = 'ct_' + Date.now();
+        $('body').append('<div id="' + id + '" class="alert ' + cls + ' shadow-sm alert-dismissible"'
+            + ' style="position:fixed;top:20px;right:20px;z-index:9999;min-width:260px;max-width:400px;">'
+            + esc(msg) + '<button type="button" class="btn-close" data-bs-dismiss="alert"></button></div>');
+        setTimeout(function () { $('#' + id).fadeOut(300, function () { $(this).remove(); }); }, 4000);
+    }
+
+    /* ── Tab switching ──────────────────────────────────────────────── */
+    $(document).on('click', '#clinicalMasterTabs .nav-link', function () {
+        $('#clinicalMasterTabs .nav-link').removeClass('active');
+        $(this).addClass('active');
+        var tab = $(this).data('tab');
+        $('#tab_complaints, #tab_diagnosis').hide();
+        $('#tab_' + tab).show();
+        if (tab === 'complaints') { cmLoad(); }
+        if (tab === 'diagnosis')  { dmLoad(); }
+    });
+
+    /* ══════════════════════════════════════════════════════════════════
+       COMPLAINTS MASTER
+    ══════════════════════════════════════════════════════════════════ */
+    var cmState = { start: 0, length: 25, total: 0 };
+    var cmFilterTimer = null;
+
+    function cmLoad() {
+        var filter    = ($('#cm_filter').val() || '').trim();
+        var snomedOnly = $('#cm_snomed_only').is(':checked') ? 1 : 0;
+        var url = '<?= base_url('Opd_prescription/complaints_master_data') ?>?start=' + cmState.start
+            + '&length=' + cmState.length + '&filter=' + encodeURIComponent(filter)
+            + '&snomed_only=' + snomedOnly;
+
+        $('#cm_tbody').html('<tr><td colspan="5" class="text-muted text-center">Loading…</td></tr>');
+        apiGet(url, function (data) {
+            cmState.total = parseInt(data.recordsTotal || 0);
+            $('#cm_total_badge').text(cmState.total);
+            var rows = data.data || [];
+            if (!rows.length) {
+                $('#cm_tbody').html('<tr><td colspan="5" class="text-muted text-center">No records found.</td></tr>');
+                $('#cm_page_info').text('0 records');
+                return;
+            }
+            var html = '';
+            rows.forEach(function (r) {
+                var active = parseInt(r.is_active || 0) === 1;
+                html += '<tr>'
+                    + '<td>' + esc(r.Name || '') + '</td>'
+                    + '<td>' + snomedBadge(r.snomed_concept_id, r.snomed_term) + '</td>'
+                    + '<td class="text-center">' + (parseInt(r.show_in_short || 0) === 1
+                        ? '<span class="badge bg-primary">Yes</span>'
+                        : '<span class="text-muted">—</span>') + '</td>'
+                    + '<td class="text-center">' + (active
+                        ? '<span class="badge bg-success">Yes</span>'
+                        : '<span class="badge bg-secondary">No</span>') + '</td>'
+                    + '<td class="text-center">'
+                    + '<button class="btn btn-outline-primary btn-xs btn-cm-edit px-1 py-0 me-1" data-code="' + esc(r.Code) + '" title="Edit">Edit</button>'
+                    + '<button class="btn btn-outline-danger btn-xs btn-cm-del px-1 py-0" data-code="' + esc(r.Code) + '" title="Deactivate">Del</button>'
+                    + '</td></tr>';
+            });
+            $('#cm_tbody').html(html);
+
+            var from = cmState.start + 1;
+            var to   = Math.min(cmState.start + rows.length, cmState.total);
+            $('#cm_page_info').text(from + '–' + to + ' of ' + cmState.total);
+            $('#cm_prev').prop('disabled', cmState.start === 0);
+            $('#cm_next').prop('disabled', cmState.start + cmState.length >= cmState.total);
+        });
+    }
+
+    $('#cm_filter').on('input', function () {
+        clearTimeout(cmFilterTimer);
+        cmFilterTimer = setTimeout(function () { cmState.start = 0; cmLoad(); }, 300);
+    });
+    $('#cm_snomed_only').on('change', function () { cmState.start = 0; cmLoad(); });
+    $('#cm_prev').on('click', function () { if (cmState.start >= cmState.length) { cmState.start -= cmState.length; cmLoad(); } });
+    $('#cm_next').on('click', function () { if (cmState.start + cmState.length < cmState.total) { cmState.start += cmState.length; cmLoad(); } });
+
+    // Edit row
+    $(document).on('click', '.btn-cm-edit', function () {
+        var code = $(this).data('code');
+        apiGet('<?= base_url('Opd_prescription/complaints_master_get') ?>/' + code, function (data) {
+            if (!data.row) { toast('Could not load record', 'err'); return; }
+            cmFillForm(data.row);
+        });
+    });
+
+    // Delete row
+    $(document).on('click', '.btn-cm-del', function () {
+        var code = $(this).data('code');
+        if (!confirm('Deactivate this complaint?')) return;
+        apiPost('<?= base_url('Opd_prescription/complaints_master_remove') ?>/' + code, {}, function (data) {
+            if (parseInt(data.update || 0)) { toast('Complaint deactivated', 'ok'); cmLoad(); }
+            else { toast(data.error_text || 'Failed', 'err'); }
+        });
+    });
+
+    // New button
+    $('#btn_cm_new').on('click', cmClearForm);
+
+    function cmClearForm() {
+        $('#cm_code').val('0');
+        $('#cm_name,#cm_name_hinglish,#cm_keywords,#cm_ai_hint').val('');
+        $('#cm_snomed_search,#cm_snomed_concept_id,#cm_snomed_term').val('');
+        $('#cm_snomed_selected').hide().text('');
+        $('#btn_cm_snomed_clear').hide();
+        $('#cm_show_in_short').prop('checked', false);
+        $('#cm_is_active').prop('checked', true);
+        $('#cm_form_title').text('New Complaint');
+        $('#cm_msg').removeClass('text-success text-danger').addClass('text-muted').text('Ready.');
+    }
+
+    function cmFillForm(r) {
+        $('#cm_code').val(r.Code || 0);
+        $('#cm_name').val((r.Name || '').toUpperCase());
+        $('#cm_name_hinglish').val(r.name_hinglish || '');
+        $('#cm_keywords').val(r.keywords || '');
+        $('#cm_ai_hint').val(r.ai_hint || '');
+        $('#cm_show_in_short').prop('checked', parseInt(r.show_in_short || 0) === 1);
+        $('#cm_is_active').prop('checked', parseInt(r.is_active || 1) === 1);
+        // SNOMED
+        var scid = r.snomed_concept_id || '';
+        var sterm = r.snomed_term || '';
+        $('#cm_snomed_concept_id').val(scid);
+        $('#cm_snomed_term').val(sterm);
+        if (scid) {
+            $('#cm_snomed_search').val(sterm || scid);
+            $('#cm_snomed_selected').show().html('<i class="bi bi-check-circle text-success"></i> ' + esc(sterm || scid) + ' <small class="text-muted">(' + esc(scid) + ')</small>');
+            $('#btn_cm_snomed_clear').show();
+        } else {
+            $('#cm_snomed_search').val('');
+            $('#cm_snomed_selected').hide().text('');
+            $('#btn_cm_snomed_clear').hide();
+        }
+        $('#cm_form_title').text('Edit: ' + esc(r.Name || ''));
+        $('#cm_msg').removeClass('text-success text-danger').addClass('text-muted').text('Loaded.');
+        $('html,body').animate({ scrollTop: $('#cm_form_title').offset().top - 80 }, 200);
+    }
+
+    // Save
+    $('#btn_cm_save').on('click', function () {
+        var name = $('#cm_name').val().trim().toUpperCase();
+        if (!name) { $('#cm_msg').removeClass('text-muted text-success').addClass('text-danger').text('Name is required.'); return; }
+        var payload = {
+            Code:              $('#cm_code').val(),
+            Name:              name,
+            name_hinglish:     $('#cm_name_hinglish').val().trim(),
+            keywords:          $('#cm_keywords').val().trim(),
+            ai_hint:           $('#cm_ai_hint').val().trim(),
+            show_in_short:     $('#cm_show_in_short').is(':checked') ? 1 : 0,
+            is_active:         $('#cm_is_active').is(':checked') ? 1 : 0,
+            snomed_concept_id: $('#cm_snomed_concept_id').val().trim(),
+            snomed_term:       $('#cm_snomed_term').val().trim(),
+        };
+        $('#btn_cm_save').prop('disabled', true).text('Saving…');
+        apiPost('<?= base_url('Opd_prescription/complaints_master_save') ?>', payload, function (data) {
+            $('#btn_cm_save').prop('disabled', false).text('Save');
+            if (parseInt(data.update || 0)) {
+                $('#cm_msg').removeClass('text-muted text-danger').addClass('text-success').text(data.error_text || 'Saved');
+                toast(data.error_text || 'Saved', 'ok');
+                cmLoad();
+            } else {
+                $('#cm_msg').removeClass('text-muted text-success').addClass('text-danger').text(data.error_text || 'Failed');
+                toast(data.error_text || 'Failed', 'err');
+            }
+        });
+    });
+
+    $('#btn_cm_reset').on('click', cmClearForm);
+
+    // SNOMED search for Complaints (uses complaints_search → searchFinding)
+    var cmSnomedTimer = null;
+    $('#cm_snomed_search').on('input', function () {
+        var q = $(this).val().trim();
+        if (q.length < 2) { $('#cm_snomed_dd').hide().empty(); return; }
+        clearTimeout(cmSnomedTimer);
+        cmSnomedTimer = setTimeout(function () {
+            $.getJSON('<?= base_url('Opd_prescription/complaints_search') ?>?q=' + encodeURIComponent(q), function (data) {
+                var rows = data.rows || [];
+                var $dd = $('#cm_snomed_dd').empty();
+                if (!rows.length) { $dd.hide(); return; }
+                rows.forEach(function (r) {
+                    var cid   = r.concept_id || '';
+                    var name  = r.name || '';
+                    var src   = r.source || '';
+                    var label = esc(name) + (cid ? ' <small class="text-muted">(' + esc(cid) + ')</small>' : '')
+                        + ' <small class="badge bg-' + (src === 'snomed' ? 'info text-dark' : 'secondary') + ' ms-1">' + esc(src) + '</small>';
+                    $dd.append('<button type="button" class="list-group-item list-group-item-action py-1 px-2 small"'
+                        + ' data-name="' + esc(name) + '" data-cid="' + esc(cid) + '">' + label + '</button>');
+                });
+                $dd.show();
+                // Position relative to the input
+                var $input = $('#cm_snomed_search');
+                $dd.css({ top: $input.outerHeight(true), left: 0 });
+            });
+        }, 280);
+    });
+    $(document).on('click', '#cm_snomed_dd .list-group-item', function () {
+        var name = $(this).data('name');
+        var cid  = $(this).data('cid');
+        $('#cm_snomed_concept_id').val(cid || '');
+        $('#cm_snomed_term').val(name || '');
+        $('#cm_snomed_search').val(cid ? cid + ' — ' + name : name);
+        if (name || cid) {
+            $('#cm_snomed_selected').show().html('<i class="bi bi-check-circle text-success"></i> ' + esc(name) + (cid ? ' <small class="text-muted">(' + esc(cid) + ')</small>' : ''));
+            $('#btn_cm_snomed_clear').show();
+        }
+        $('#cm_snomed_dd').hide().empty();
+    });
+    $(document).on('click', function (e) {
+        if (!$(e.target).closest('#cm_snomed_search, #cm_snomed_dd').length) { $('#cm_snomed_dd').hide(); }
+    });
+    $('#btn_cm_snomed_clear').on('click', function () {
+        $('#cm_snomed_concept_id,#cm_snomed_term,#cm_snomed_search').val('');
+        $('#cm_snomed_selected').hide().text('');
+        $(this).hide();
+    });
+
+    /* ══════════════════════════════════════════════════════════════════
+       DIAGNOSIS / DISEASE MASTER
+    ══════════════════════════════════════════════════════════════════ */
+    var dmState = { start: 0, length: 25, total: 0 };
+    var dmFilterTimer = null;
+
+    function dmLoad() {
+        var filter    = ($('#dm_filter').val() || '').trim();
+        var snomedOnly = $('#dm_snomed_only').is(':checked') ? 1 : 0;
+        var url = '<?= base_url('Opd_prescription/disease_master_data') ?>?start=' + dmState.start
+            + '&length=' + dmState.length + '&filter=' + encodeURIComponent(filter)
+            + '&snomed_only=' + snomedOnly;
+
+        $('#dm_tbody').html('<tr><td colspan="4" class="text-muted text-center">Loading…</td></tr>');
+        apiGet(url, function (data) {
+            dmState.total = parseInt(data.recordsTotal || 0);
+            $('#dm_total_badge').text(dmState.total);
+            var rows = data.data || [];
+            if (!rows.length) {
+                $('#dm_tbody').html('<tr><td colspan="4" class="text-muted text-center">No records found.</td></tr>');
+                $('#dm_page_info').text('0 records');
+                return;
+            }
+            var html = '';
+            rows.forEach(function (r) {
+                var active = (r.is_active === undefined) ? true : parseInt(r.is_active || 0) === 1;
+                html += '<tr>'
+                    + '<td>' + esc(r.Name || '') + '</td>'
+                    + '<td>' + snomedBadge(r.snomed_concept_id, r.snomed_term) + '</td>'
+                    + '<td class="text-center">' + (active
+                        ? '<span class="badge bg-success">Yes</span>'
+                        : '<span class="badge bg-secondary">No</span>') + '</td>'
+                    + '<td class="text-center">'
+                    + '<button class="btn btn-outline-primary btn-xs btn-dm-edit px-1 py-0 me-1" data-code="' + esc(r.Code) + '" title="Edit">Edit</button>'
+                    + '<button class="btn btn-outline-danger btn-xs btn-dm-del px-1 py-0" data-code="' + esc(r.Code) + '" title="Deactivate">Del</button>'
+                    + '</td></tr>';
+            });
+            $('#dm_tbody').html(html);
+
+            var from = dmState.start + 1;
+            var to   = Math.min(dmState.start + rows.length, dmState.total);
+            $('#dm_page_info').text(from + '–' + to + ' of ' + dmState.total);
+            $('#dm_prev').prop('disabled', dmState.start === 0);
+            $('#dm_next').prop('disabled', dmState.start + dmState.length >= dmState.total);
+        });
+    }
+
+    $('#dm_filter').on('input', function () {
+        clearTimeout(dmFilterTimer);
+        dmFilterTimer = setTimeout(function () { dmState.start = 0; dmLoad(); }, 300);
+    });
+    $('#dm_snomed_only').on('change', function () { dmState.start = 0; dmLoad(); });
+    $('#dm_prev').on('click', function () { if (dmState.start >= dmState.length) { dmState.start -= dmState.length; dmLoad(); } });
+    $('#dm_next').on('click', function () { if (dmState.start + dmState.length < dmState.total) { dmState.start += dmState.length; dmLoad(); } });
+
+    // Edit row
+    $(document).on('click', '.btn-dm-edit', function () {
+        var code = $(this).data('code');
+        apiGet('<?= base_url('Opd_prescription/disease_master_get') ?>/' + code, function (data) {
+            if (!data.row) { toast('Could not load record', 'err'); return; }
+            dmFillForm(data.row);
+        });
+    });
+
+    // Delete row
+    $(document).on('click', '.btn-dm-del', function () {
+        var code = $(this).data('code');
+        if (!confirm('Deactivate this diagnosis?')) return;
+        apiPost('<?= base_url('Opd_prescription/disease_master_remove') ?>/' + code, {}, function (data) {
+            if (parseInt(data.update || 0)) { toast('Diagnosis deactivated', 'ok'); dmLoad(); }
+            else { toast(data.error_text || 'Failed', 'err'); }
+        });
+    });
+
+    // New button
+    $('#btn_dm_new').on('click', dmClearForm);
+
+    function dmClearForm() {
+        $('#dm_code').val('0');
+        $('#dm_name').val('');
+        $('#dm_snomed_search,#dm_snomed_concept_id,#dm_snomed_term').val('');
+        $('#dm_snomed_selected').hide().text('');
+        $('#btn_dm_snomed_clear').hide();
+        $('#dm_is_active').prop('checked', true);
+        $('#dm_form_title').text('New Diagnosis');
+        $('#dm_msg').removeClass('text-success text-danger').addClass('text-muted').text('Ready.');
+    }
+
+    function dmFillForm(r) {
+        $('#dm_code').val(r.Code || 0);
+        $('#dm_name').val((r.Name || '').toUpperCase());
+        $('#dm_is_active').prop('checked', (r.is_active === undefined) ? true : parseInt(r.is_active || 1) === 1);
+        // SNOMED
+        var scid = r.snomed_concept_id || '';
+        var sterm = r.snomed_term || '';
+        $('#dm_snomed_concept_id').val(scid);
+        $('#dm_snomed_term').val(sterm);
+        if (scid) {
+            $('#dm_snomed_search').val(sterm || scid);
+            $('#dm_snomed_selected').show().html('<i class="bi bi-check-circle text-success"></i> ' + esc(sterm || scid) + ' <small class="text-muted">(' + esc(scid) + ')</small>');
+            $('#btn_dm_snomed_clear').show();
+        } else {
+            $('#dm_snomed_search').val('');
+            $('#dm_snomed_selected').hide().text('');
+            $('#btn_dm_snomed_clear').hide();
+        }
+        $('#dm_form_title').text('Edit: ' + esc(r.Name || ''));
+        $('#dm_msg').removeClass('text-success text-danger').addClass('text-muted').text('Loaded.');
+        $('html,body').animate({ scrollTop: $('#dm_form_title').offset().top - 80 }, 200);
+    }
+
+    // Save
+    $('#btn_dm_save').on('click', function () {
+        var name = $('#dm_name').val().trim().toUpperCase();
+        if (!name) { $('#dm_msg').removeClass('text-muted text-success').addClass('text-danger').text('Name is required.'); return; }
+        var payload = {
+            Code:              $('#dm_code').val(),
+            Name:              name,
+            snomed_concept_id: $('#dm_snomed_concept_id').val().trim(),
+            snomed_term:       $('#dm_snomed_term').val().trim(),
+            is_active:         $('#dm_is_active').is(':checked') ? 1 : 0,
+        };
+        $('#btn_dm_save').prop('disabled', true).text('Saving…');
+        apiPost('<?= base_url('Opd_prescription/disease_master_save') ?>', payload, function (data) {
+            $('#btn_dm_save').prop('disabled', false).text('Save');
+            if (parseInt(data.update || 0)) {
+                $('#dm_msg').removeClass('text-muted text-danger').addClass('text-success').text(data.error_text || 'Saved');
+                toast(data.error_text || 'Saved', 'ok');
+                dmLoad();
+            } else {
+                $('#dm_msg').removeClass('text-muted text-success').addClass('text-danger').text(data.error_text || 'Failed');
+                toast(data.error_text || 'Failed', 'err');
+            }
+        });
+    });
+
+    $('#btn_dm_reset').on('click', dmClearForm);
+
+    // SNOMED search for Diagnosis (uses provisional_diagnosis_search → searchDiagnosis)
+    var dmSnomedTimer = null;
+    $('#dm_snomed_search').on('input', function () {
+        var q = $(this).val().trim();
+        if (q.length < 2) { $('#dm_snomed_dd').hide().empty(); return; }
+        clearTimeout(dmSnomedTimer);
+        dmSnomedTimer = setTimeout(function () {
+            $.getJSON('<?= base_url('Opd_prescription/provisional_diagnosis_search') ?>?q=' + encodeURIComponent(q), function (data) {
+                var rows = data.rows || [];
+                var $dd = $('#dm_snomed_dd').empty();
+                if (!rows.length) { $dd.hide(); return; }
+                rows.forEach(function (r) {
+                    var cid   = r.snomed_concept_id || '';
+                    var name  = r.name || '';
+                    var src   = r.source || '';
+                    var label = esc(name) + (cid ? ' <small class="text-muted">(' + esc(cid) + ')</small>' : '')
+                        + ' <small class="badge bg-' + (src === 'csnotk' || src === 'snomed' ? 'info text-dark' : 'secondary') + ' ms-1">' + esc(src) + '</small>';
+                    $dd.append('<button type="button" class="list-group-item list-group-item-action py-1 px-2 small"'
+                        + ' data-name="' + esc(name) + '" data-cid="' + esc(cid) + '">' + label + '</button>');
+                });
+                $dd.show();
+            });
+        }, 280);
+    });
+    $(document).on('click', '#dm_snomed_dd .list-group-item', function () {
+        var name = $(this).data('name');
+        var cid  = $(this).data('cid');
+        $('#dm_snomed_concept_id').val(cid || '');
+        $('#dm_snomed_term').val(name || '');
+        $('#dm_snomed_search').val(cid ? cid + ' — ' + name : name);
+        if (name || cid) {
+            $('#dm_snomed_selected').show().html('<i class="bi bi-check-circle text-success"></i> ' + esc(name) + (cid ? ' <small class="text-muted">(' + esc(cid) + ')</small>' : ''));
+            $('#btn_dm_snomed_clear').show();
+        }
+        $('#dm_snomed_dd').hide().empty();
+    });
+    $(document).on('click', function (e) {
+        if (!$(e.target).closest('#dm_snomed_search, #dm_snomed_dd').length) { $('#dm_snomed_dd').hide(); }
+    });
+    $('#btn_dm_snomed_clear').on('click', function () {
+        $('#dm_snomed_concept_id,#dm_snomed_term,#dm_snomed_search').val('');
+        $('#dm_snomed_selected').hide().text('');
+        $(this).hide();
+    });
+
+    /* ── Init ───────────────────────────────────────────────────────── */
+    cmLoad();
+
+}());
+</script>
diff --git a/app/Views/partials/sidebar.php b/app/Views/partials/sidebar.php
index c4a7bf4..aff18e7 100644
--- a/app/Views/partials/sidebar.php
+++ b/app/Views/partials/sidebar.php
@@ -342,6 +342,12 @@ if (! $canChargesSettings && $user && method_exists($user, 'inGroup')) {
                 <span>Investigation Master</span>
             </a>
         </li>
+        <li class="nav-item">
+            <a class="nav-link collapsed" href="javascript:load_form('<?= base_url('Opd_prescription/clinical_master_workspace') ?>','Clinical Master')">
+                <i class="bi bi-heart-pulse"></i>
+                <span>Clinical Master</span>
+            </a>
+        </li>
         <li class="nav-item">
             <a class="nav-link collapsed" href="javascript:load_form('<?= base_url('Opd_prescription/opd_invest_profile_master') ?>','Investigation Profile Master')">
                 <i class="bi bi-collection"></i>