diff --git a/lib/carma/models/metadata.rb b/lib/carma/models/metadata.rb
index be24af77ebf..bbbe17cd514 100644
--- a/lib/carma/models/metadata.rb
+++ b/lib/carma/models/metadata.rb
@@ -8,12 +8,14 @@ module CARMA
   module Models
     class Metadata < Base
       request_payload_key :claim_id,
+                          :claim_guid,
                           :veteran,
                           :primary_caregiver,
                           :secondary_caregiver_one,
                           :secondary_caregiver_two
 
-      attr_accessor       :claim_id
+      attr_accessor       :claim_id,
+                          :claim_guid
 
       attr_reader         :veteran,
                           :primary_caregiver,
@@ -22,6 +24,7 @@ class Metadata < Base
 
       def initialize(args = {})
         @claim_id = args[:claim_id]
+        @claim_guid = args[:claim_guid]
 
         self.veteran = args[:veteran] || {}
         self.primary_caregiver = args[:primary_caregiver] || {}
diff --git a/lib/carma/models/submission.rb b/lib/carma/models/submission.rb
index 0c9dd19707a..84035db41f0 100644
--- a/lib/carma/models/submission.rb
+++ b/lib/carma/models/submission.rb
@@ -31,7 +31,7 @@ def clear_veteran_icn(data)
       def self.from_claim(claim, metadata = {})
         new(
           data: claim.parsed_form,
-          metadata: metadata.merge(claim_id: claim.id)
+          metadata: metadata.merge(claim_id: claim.id, claim_guid: claim.guid)
         )
       end
 
diff --git a/spec/lib/carma/models/metadata_spec.rb b/spec/lib/carma/models/metadata_spec.rb
index 00368bb5ffb..21af4e63cb9 100644
--- a/spec/lib/carma/models/metadata_spec.rb
+++ b/spec/lib/carma/models/metadata_spec.rb
@@ -10,6 +10,13 @@
     end
   end
 
+  describe '#claim_guid' do
+    it 'is accessible' do
+      subject.claim_guid = 'my-uuid'
+      expect(subject.claim_guid).to eq('my-uuid')
+    end
+  end
+
   describe '#veteran' do
     it 'is accessible' do
       subject.veteran = { icn: 'ABCD1234', is_veteran: true }
@@ -78,6 +85,7 @@
     it 'accepts :claim_id, :veteran, :primary_caregiver, :secondary_caregiver_one, :secondary_caregiver_two' do
       subject = described_class.new(
         claim_id: 123,
+        claim_guid: 'my-uuid',
         veteran: {
           icn: 'VET1234',
           is_veteran: true
@@ -94,6 +102,7 @@
       )
 
       expect(subject.claim_id).to eq(123)
+      expect(subject.claim_guid).to eq('my-uuid')
       expect(subject.veteran.icn).to eq('VET1234')
       expect(subject.veteran.is_veteran).to eq(true)
       expect(subject.primary_caregiver.icn).to eq('PC1234')
@@ -111,6 +120,7 @@
       expect(described_class.request_payload_keys).to eq(
         %i[
           claim_id
+          claim_guid
           veteran
           primary_caregiver
           secondary_caregiver_one
@@ -123,11 +133,12 @@
   describe '#to_request_payload' do
     describe 'can receive :to_request_payload' do
       it 'with a minimal data set' do
-        subject = described_class.new claim_id: 123
+        subject = described_class.new claim_id: 123, claim_guid: 'my-uuid'
 
         expect(subject.to_request_payload).to eq(
           {
             'claimId' => 123,
+            'claimGuid' => 'my-uuid',
             'veteran' => {
               'icn' => nil,
               'isVeteran' => nil
@@ -144,6 +155,7 @@
       it 'with a maximum data set' do
         subject = described_class.new(
           claim_id: 123,
+          claim_guid: 'my-uuid',
           veteran: {
             icn: 'VET1234',
             is_veteran: true
@@ -162,6 +174,7 @@
         expect(subject.to_request_payload).to eq(
           {
             'claimId' => 123,
+            'claimGuid' => 'my-uuid',
             'veteran' => {
               'icn' => 'VET1234',
               'isVeteran' => true
diff --git a/spec/lib/carma/models/submission_spec.rb b/spec/lib/carma/models/submission_spec.rb
index 36a2242a27f..f07c33d521a 100644
--- a/spec/lib/carma/models/submission_spec.rb
+++ b/spec/lib/carma/models/submission_spec.rb
@@ -50,6 +50,7 @@
     it 'is accessible' do
       subject.metadata = {
         claim_id: 123,
+        claim_guid: 'my-uuid',
         veteran: {
           icn: 'VET1234',
           is_veteran: true
@@ -68,6 +69,7 @@
       # metadata
       expect(subject.metadata).to be_instance_of(CARMA::Models::Metadata)
       expect(subject.metadata.claim_id).to eq(123)
+      expect(subject.metadata.claim_guid).to eq('my-uuid')
       # metadata.veteran
       expect(subject.metadata.veteran).to be_instance_of(CARMA::Models::Veteran)
       expect(subject.metadata.veteran.icn).to eq('VET1234')
@@ -92,6 +94,7 @@
       # metadata
       expect(subject.metadata).to be_instance_of(CARMA::Models::Metadata)
       expect(subject.metadata.claim_id).to eq(nil)
+      expect(subject.metadata.claim_guid).to eq(nil)
       # metadata.veteran
       expect(subject.metadata.veteran).to be_instance_of(CARMA::Models::Veteran)
       expect(subject.metadata.veteran.icn).to eq(nil)
@@ -120,6 +123,7 @@
         data: expected[:data],
         metadata: {
           claim_id: 123,
+          claim_guid: 'my-uuid',
           veteran: {
             icn: 'VET1234',
             is_veteran: true
@@ -142,6 +146,7 @@
       # metadata
       expect(subject.metadata).to be_instance_of(CARMA::Models::Metadata)
       expect(subject.metadata.claim_id).to eq(123)
+      expect(subject.metadata.claim_guid).to eq('my-uuid')
       # metadata.veteran
       expect(subject.metadata.veteran).to be_instance_of(CARMA::Models::Veteran)
       expect(subject.metadata.veteran.icn).to eq('VET1234')
@@ -171,6 +176,7 @@
 
       expect(submission.metadata).to be_instance_of(CARMA::Models::Metadata)
       expect(submission.metadata.claim_id).to eq(claim.id)
+      expect(submission.metadata.claim_guid).to eq(claim.guid)
     end
 
     it 'will override :claim_id when passed in metadata and use claim.id instead' do
@@ -186,6 +192,21 @@
       expect(submission.metadata).to be_instance_of(CARMA::Models::Metadata)
       expect(submission.metadata.claim_id).to eq(claim.id)
     end
+
+    it 'will override :claim_guid when passed in metadata and use claim.guid instead' do
+      claim = build(:caregivers_assistance_claim)
+
+      submission = described_class.from_claim(claim, claim_guid: 'not-this-claims-guid')
+
+      expect(submission).to be_instance_of(described_class)
+      expect(submission.data).to eq(claim.parsed_form)
+      expect(submission.carma_case_id).to eq(nil)
+      expect(submission.submitted_at).to eq(nil)
+
+      expect(submission.metadata).to be_instance_of(CARMA::Models::Metadata)
+      expect(submission.metadata.claim_guid).not_to eq('not-this-claims-guid')
+      expect(submission.metadata.claim_guid).to eq(claim.guid)
+    end
   end
 
   describe '::request_payload_keys' do
@@ -206,6 +227,7 @@
         },
         metadata: {
           claim_id: 123,
+          claim_guid: 'my-uuid',
           veteran: {
             icn: 'VET1234',
             is_veteran: true
@@ -229,6 +251,7 @@
           },
           'metadata' => {
             'claimId' => 123,
+            'claimGuid' => 'my-uuid',
             'veteran' => {
               'icn' => 'VET1234',
               'isVeteran' => true
@@ -255,6 +278,7 @@
           },
           metadata: {
             claim_id: 123,
+            claim_guid: 'my-uuid',
             veteran: {
               icn: 'VET1234',
               is_veteran: false
@@ -278,6 +302,7 @@
             },
             'metadata' => {
               'claimId' => 123,
+              'claimGuid' => 'my-uuid',
               'veteran' => {
                 'icn' => nil,
                 'isVeteran' => false