diff --git a/modules/check_in/app/services/travel_claim/response.rb b/modules/check_in/app/services/travel_claim/response.rb
index 1a692322aae..1a13a434ead 100644
--- a/modules/check_in/app/services/travel_claim/response.rb
+++ b/modules/check_in/app/services/travel_claim/response.rb
@@ -4,6 +4,13 @@ module TravelClaim
   class Response
     attr_reader :body, :status
 
+    CODE_SUCCESS = 'CLM_000_SUCCESS'
+    CODE_MULTIPLE_APPTS = 'CLM_001_MULTIPLE_APPTS'
+    CODE_CLAIM_EXISTS = 'CLM_002_CLAIM_EXISTS'
+    CODE_APPT_NOT_FOUND = 'CLM_003_APPOINTMENT_NOT_FOUND'
+    CODE_INVALID_AUTH = 'CLM_020_INVALID_AUTH'
+    CODE_SUBMISSION_ERROR = 'CLM_010_CLAIM_SUBMISSION_ERROR'
+
     def self.build(opts = {})
       new(opts)
     end
@@ -22,7 +29,7 @@ def handle
 
       case status
       when 200
-        { data: response_body, status: }
+        { data: response_body.merge(code: CODE_SUCCESS), status: }
       when 400, 401, 404
         { data: error_data(message: response_body[:message]), status: }
       else
@@ -39,15 +46,15 @@ def unknown_error_data
     def error_data(message:)
       error_code = case message
                    when /multiple appointments/i
-                     'CLM_001_MULTIPLE_APPTS'
+                     CODE_MULTIPLE_APPTS
                    when /already has a claim/i
-                     'CLM_002_CLAIM_EXISTS'
+                     CODE_CLAIM_EXISTS
                    when /appointment not found/i
-                     'CLM_003_APPOINTMENT_NOT_FOUND'
+                     CODE_APPT_NOT_FOUND
                    when /unauthorized/i
-                     'CLM_020_INVALID_AUTH'
+                     CODE_INVALID_AUTH
                    else
-                     'CLM_010_CLAIM_SUBMISSION_ERROR'
+                     CODE_SUBMISSION_ERROR
                    end
 
       { error: true, code: error_code, message: }
diff --git a/modules/check_in/spec/services/travel_claim/response_spec.rb b/modules/check_in/spec/services/travel_claim/response_spec.rb
index c7c0eac4269..4a6f28a0295 100644
--- a/modules/check_in/spec/services/travel_claim/response_spec.rb
+++ b/modules/check_in/spec/services/travel_claim/response_spec.rb
@@ -12,17 +12,7 @@
           claims_api_response = { value: { claimNumber: 'TC202207000011666' }, formatters: [], contentTypes: [],
                                   declaredType: [], statusCode: 200 }
           resp = Faraday::Response.new(body: claims_api_response, status: 200)
-          hsh = { data: claims_api_response, status: 200 }
-
-          expect(subject.build(response: resp).handle).to eq(hsh)
-        end
-      end
-
-      context 'when non json string' do
-        it 'returns a formatted response' do
-          claims_api_response = 'TC202207000011666'
-          resp = Faraday::Response.new(body: claims_api_response, status: 200)
-          hsh = { data: claims_api_response, status: 200 }
+          hsh = { data: claims_api_response.merge(code: 'CLM_000_SUCCESS'), status: 200 }
 
           expect(subject.build(response: resp).handle).to eq(hsh)
         end
diff --git a/modules/check_in/spec/services/travel_claim/service_spec.rb b/modules/check_in/spec/services/travel_claim/service_spec.rb
index 2d749dc1331..048c25e95f1 100644
--- a/modules/check_in/spec/services/travel_claim/service_spec.rb
+++ b/modules/check_in/spec/services/travel_claim/service_spec.rb
@@ -89,7 +89,7 @@
       end
       let(:faraday_response) { Faraday::Response.new(body: claims_json, status: 200) }
 
-      let(:submit_claim_response) { { data: claims_json, status: 200 } }
+      let(:submit_claim_response) { { data: claims_json.merge(code: 'CLM_000_SUCCESS'), status: 200 } }
 
       before do
         Rails.cache.write(