diff --git a/src/entity/emr/emr_laboratory_orders.ts b/src/entity/emr/emr_laboratory_orders.ts
index 4681bea..150ab18 100644
--- a/src/entity/emr/emr_laboratory_orders.ts
+++ b/src/entity/emr/emr_laboratory_orders.ts
@@ -8,6 +8,7 @@ import {
     ManyToOne,
     OneToMany,
     JoinColumn,
+    Index
 } from "typeorm";
 
 import { EmrPatient } from "./emr_patient";
@@ -23,6 +24,7 @@ import { EmrRegistration } from "./emr_registration";
  * Contains order header information: order number, patient, referring room/doctor, schedule, registration info.
  */
 @Entity("emr_laboratory_orders", { schema: "emr" })
+@Index(["order_lab_no"], { unique: true })
 export class EmrLaboratoryOrder {
     @PrimaryGeneratedColumn("uuid")
     id: string;
diff --git a/src/entity/emr/emr_pharmacy_order.ts b/src/entity/emr/emr_pharmacy_order.ts
index a323da7..8b598cc 100644
--- a/src/entity/emr/emr_pharmacy_order.ts
+++ b/src/entity/emr/emr_pharmacy_order.ts
@@ -20,7 +20,7 @@ import { PharmacyOrderStatus } from "../../types/pharmacy_order_status";
 import { EmrPharmacyOrderActivity } from "./emr_pharmacy_order_activity";
 
 @Entity("emr_pharmacy_order", { schema: "emr" })
-@Index(["code", "queue_number"], { unique: true })
+@Index(["code"], { unique: true })
 export class EmrPharmacyOrder {
     @PrimaryGeneratedColumn("uuid")
     id: string;
diff --git a/src/entity/emr/emr_radiology.ts b/src/entity/emr/emr_radiology.ts
index f4fe2ef..7552360 100644
--- a/src/entity/emr/emr_radiology.ts
+++ b/src/entity/emr/emr_radiology.ts
@@ -8,7 +8,8 @@ import {
     ManyToOne,
     OneToOne,
     JoinColumn,
-    OneToMany
+    OneToMany,
+    Index
 } from "typeorm";
 import { RadiologyOrderStatus } from "../../types/radiology_order_status";
 import { EmrPatient } from "./emr_patient";
@@ -18,6 +19,7 @@ import { Room } from "../room";
 import { EmrRegistration } from "./emr_registration";
 
 @Entity("emr_radiology", { schema: "emr" })
+@Index(["order_number"], { unique: true })
 export class Radiology {
     @PrimaryGeneratedColumn("uuid")
     id: string;