diff --git a/lib/collectionspace/mapper/response.rb b/lib/collectionspace/mapper/response.rb
index 93d256f0..435eec26 100644
--- a/lib/collectionspace/mapper/response.rb
+++ b/lib/collectionspace/mapper/response.rb
@@ -6,7 +6,7 @@ class Response
       attr_reader :orig_data, :doc,
         :record_status, :csid, :uri, :refname,
         :terms, :errors, :warnings,
-        :identifier, :merged_data, :xpaths,
+        :merged_data, :xpaths,
         :split_data, :transformed_data
       attr_accessor :combined_data
 
@@ -46,6 +46,15 @@ def add_identifier(id)
         @identifier = id
       end
 
+      def identifier
+        return @identifier unless @identifier.empty?
+
+        id_field = handler.record.identifier_field.downcase
+        return @identifier unless transformed_data.key?(id_field)
+
+        transformed_data[id_field][0]
+      end
+
       def add_error(error)
         errors << error
         @errors = errors.flatten.compact
diff --git a/spec/collectionspace/mapper/response_spec.rb b/spec/collectionspace/mapper/response_spec.rb
index d8a89374..3c2d122b 100644
--- a/spec/collectionspace/mapper/response_spec.rb
+++ b/spec/collectionspace/mapper/response_spec.rb
@@ -192,8 +192,8 @@
     let(:customcfg) { {delimiter: "|", response_mode: "verbose"} }
     let(:processed) { response.map }
 
-    context "with some terms found and some terms not found" do
-      let(:result) { processed.terms.reject { |t| t.found? } }
+    context "with terms found in cache and instance" do
+      let(:result) { processed.terms.select { |t| t.missing? } }
 
       vcr_found_opts = {
         cassette_name: "datahandler_uncached_found_terms",
@@ -211,8 +211,9 @@
             }
           end
 
-          it "returns expected found values" do
+          it "returns no missing terms" do
             expect(result.length).to eq(0)
+            expect(processed.identifier).to eq("20CS.001.0002")
           end
         end
 
@@ -220,7 +221,7 @@
         cassette_name: "datahandler_uncached_unfound_terms",
         record: :new_episodes
       }
-      context "with terms in instance but not in cache, and not in instance",
+      context "with found term and missing term",
         vcr: vcr_unfound_opts do
           let(:data) do
             {
@@ -232,8 +233,9 @@
             }
           end
 
-          it "returns expected found values" do
+          it "returns 1 missing term" do
             expect(result.length).to eq(1)
+            expect(processed.identifier).to eq("20CS.001.0001")
           end
         end
     end
@@ -250,6 +252,9 @@
         # authority - in instance, not in cache
         "namedCollection" => "QA TARGET Work"
       }
+      resp1 = CollectionSpace::Mapper::Response.new(data1, handler)
+      handler.process(resp1)
+
       data2 = {
         "objectNumber" => "2",
         # vocabulary - now in cache
@@ -259,16 +264,11 @@
         # authority - not in instance, not in cache
         "contentConceptAssociated" => "Birbs"
       }
-
-      resp1 = CollectionSpace::Mapper::Response.new(data1, handler)
       resp2 = CollectionSpace::Mapper::Response.new(data2, handler)
-
-      handler.process(resp1)
-
       result = handler.process(resp2)
-        .terms
-        .select { |t| !t.found? }
-      expect(result.length).to eq(1)
+
+      expect(result.terms.count(&:missing?)).to eq(1)
+      expect(result.identifier).to eq("2")
     end
   end