diff --git a/configuration/ampathforms/OVC_Enrollment.json b/configuration/ampathforms/OVC_Enrollment.json
index 7a0e3357..cb5775bf 100644
--- a/configuration/ampathforms/OVC_Enrollment.json
+++ b/configuration/ampathforms/OVC_Enrollment.json
@@ -208,19 +208,22 @@
 							}
 						},
 						{
+							"type": "patientIdentifier",
 							"label": "Provide CPIMS unique identifier",
-							"type": "obs",
-							"id": "cpimsUniqueIdentifier",
+							"questionInfo": "",
+							"id": "CPIMSuniquePatientNumber",
+							"required": "false",
+							"default": "",
 							"questionOptions": {
-								"rendering": "number",
-								"concept": "165416AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
-								"showDate": "false"
+							  "rendering": "string",
+							  "identifierType": "5065ae70-0b61-11ea-8d71-362b9e155667"
 							},
-							"validators": [],
+							"validators": [
+							],
 							"hide": {
-								"hideWhenExpression": "enrolledCpims != '1065AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'"
+								"hideWhenExpression": "isEmpty(enrolledCpims) || enrolledCpims !== '1065AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'"
 							}
-						}
+						  }
 					]
 				},
 				{