diff --git a/schemas/home-test-supplier-api.yaml b/schemas/home-test-supplier-api.yaml
index d9f6457..ccbcc0c 100644
--- a/schemas/home-test-supplier-api.yaml
+++ b/schemas/home-test-supplier-api.yaml
@@ -3,7 +3,7 @@ openapi: 3.0.3
 info:
   title: Home Test Supplier API
   description: API for supplier domain operations - managing test results and order status updates
-  version: 1.1.6
+  version: 1.1.7
   contact:
     name: NHS England - Digital Prevention Services Portfolio - Home Test Team
     email: england.hometest@nhs.net
@@ -178,7 +178,7 @@ components:
           type: array
           minItems: 1
           items:
-            $ref: '#/components/schemas/FHIRCodeableConcept'
+            $ref: '#/components/schemas/FHIRDiagnosticCoding'
           description: Category of the diagnostic report (should be LAB/Laboratory for test results)
           example:
             - coding:
@@ -256,7 +256,7 @@ components:
           type: array
           minItems: 1
           items:
-            $ref: '#/components/schemas/FHIRCodeableConcept'
+            $ref: '#/components/schemas/FHIRObservationCoding'
           description: Category of the observation (should be laboratory/Laboratory for observation category)
           example:
             - coding:
@@ -418,6 +418,13 @@ components:
             - description: Responsible individual for the task
               example:
                 reference: "Organization/SUP001"
+        businessStatus:
+          allOf:
+            - $ref: '#/components/schemas/FHIRBusinessStatusCoding'
+            - description: Domain-specific business status (should be one of: "order-accepted", "dispatched", "received-at-lab", "test-processed")
+              example:
+                text: "dispatched"
+
     FHIROperationOutcome:
       type: object
       description: FHIR OperationOutcome resource for reporting errors and warnings
@@ -553,6 +560,71 @@ components:
           description: The purpose of this identifier
           enum: [usual, official, temp, secondary, old]
           example: "official"
+    FHIRBusinessStatusCoding:
+      type: object
+      description: A specific example of a CodeableConcept for status updates, using the businessStatus field of the FHIRTask
+      required:
+        - text
+      properties:
+        coding:
+          type: array
+          description: Code defined by a terminology system
+          items:
+            $ref: '#/components/schemas/FHIRCoding'
+        text:
+          $ref: '#/components/schemas/FHIRBusinessStatusText'
+      example:
+        text: dispatched
+    FHIRBusinessStatusText:
+      type: string
+      description: Domain-specific business status values for status updates
+      enum: [dispatched, received-at-lab, test-processed]
+    FHIRDiagnosticCoding:
+      type: object
+      description: A specific example of a CodeableConcept for DiagnosticReport category.
+      required:
+        - text
+      properties:
+        coding:
+          type: array
+          description: Code defined by a terminology system
+          items:
+            $ref: '#/components/schemas/FHIRCoding'
+        text:
+          $ref: '#/components/schemas/FHIRDiagnosticCodingText'
+      example:
+        coding:
+          - system: "http://terminology.hl7.org/CodeSystem/v2-0074"
+            code: "LAB"
+            display: "Laboratory"
+        text: Laboratory
+    FHIRDiagnosticCodingText:
+      type: string
+      description: Diagnostic report category text values
+      enum: [Laboratory]
+    FHIRObservationCoding:
+      type: object
+      description: A specific example of a CodeableConcept for Observation category.
+      required:
+        - text
+      properties:
+        coding:
+          type: array
+          description: Code defined by a terminology system
+          items:
+            $ref: '#/components/schemas/FHIRCoding'
+        text:
+          $ref: '#/components/schemas/FHIRObservationCodingText'
+      example:
+        coding:
+          - system: "http://terminology.hl7.org/CodeSystem/observation-category"
+            code: "laboratory"
+            display: "Laboratory"
+        text: Laboratory
+    FHIRObservationCodingText:
+      type: string
+      description: Observation category text values
+      enum: [Laboratory]
   examples:
     FHIRBundleResultsExample:
       summary: Example FHIR Bundle for test results submission