diff --git a/app/Controllers/Patient.php b/app/Controllers/Patient.php
index f6aff20..3083c3b 100644
--- a/app/Controllers/Patient.php
+++ b/app/Controllers/Patient.php
@@ -81,13 +81,23 @@ class Patient extends Controller {
             
             } else {
 
+                if ($patient['LinkTo'] != null) {
+                    
+                    $ids = explode(',', $patient['LinkTo']); // dari string jadi array
+                    $patientLinkTo = $this->db->table('patient')
+                            ->select('InternalPID, PatientID')
+                            ->whereIn('InternalPID', $ids)
+                            ->get()
+                            ->getResultArray();
+                    $patient["LinkTo"] = $patientLinkTo == [] ? null : $patientLinkTo;
+                }
+
                 $patidt = $this->db->table('patidt')
                             ->select('PatIdtID, IdentifierType, Identifier')
                             ->where('InternalPID', (int) $InternalPID)
                             ->get()
                             ->getResultArray();
-
-                $patient['Identity'] = $patidt;
+                $patient['Identity'] = $patidt == [] ? null : $patidt;
             }
 
             // Data pasien ditemukan dan mengembalikan - success 200