From 75aa0ba1044f1bb7524b115651cea883a7a21834 Mon Sep 17 00:00:00 2001
From: swhume <swhume@gmail.com>
Date: Sun, 2 Aug 2026 12:41:22 -0400
Subject: [PATCH] adds enum item placeholder

---
 src/generators/define/codeLists.py            | 10 +++
 .../define/tests/fixtures/define-360i.xml     | 71 ++++++++++++-------
 2 files changed, 57 insertions(+), 24 deletions(-)

diff --git a/src/generators/define/codeLists.py b/src/generators/define/codeLists.py
index 5796295..a302ea6 100644
--- a/src/generators/define/codeLists.py
+++ b/src/generators/define/codeLists.py
@@ -46,6 +46,10 @@ def create_define_objects(
                 else:
                     en_item = self._create_enumerateditem_object(term, is_non_standard)
                     cl_defn.EnumeratedItem.append(en_item)
+            # if it's an empty codelist then add a placeholder enumerated item
+            if not codelist_items:
+                en_item = self._create_placeholder_enumerateditem_object()
+                cl_defn.EnumeratedItem.append(en_item)
             self._add_codelist_to_objects(cl_c_code, cl_defn, define_objects)
 
     @staticmethod
@@ -82,6 +86,12 @@ def _create_enumerateditem_object(self, obj, is_non_standard):
             en_item.Alias.append(alias)
         return en_item
 
+    def _create_placeholder_enumerateditem_object(self):
+        attr = {"CodedValue": "__PLACEHOLDER__"}
+        en_item = DEFINE.EnumeratedItem(**attr)
+        return en_item
+
+
     def _create_codelistitem_object(self, obj, is_non_standard):
         coded_value = self.require_key(obj, "codedValue", "CodeListItem")
         attr = {"CodedValue": coded_value}
diff --git a/src/generators/define/tests/fixtures/define-360i.xml b/src/generators/define/tests/fixtures/define-360i.xml
index 6e293e0..fb63336 100644
--- a/src/generators/define/tests/fixtures/define-360i.xml
+++ b/src/generators/define/tests/fixtures/define-360i.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<ODM FileOID="ODM.DEFINE21.ea73ce1d-9dc0-4f68-aae7-2cfaadc7ad73" AsOfDateTime="2026-07-14T19:14:01.092889+00:00"
-     CreationDateTime="2026-07-14T19:14:01.092900+00:00" ODMVersion="1.3.2" FileType="Snapshot"
+<ODM FileOID="ODM.DEFINE21.325ff866-bedc-4127-858b-64c90ab25ef3" AsOfDateTime="2026-08-02T16:34:30.658756+00:00"
+     CreationDateTime="2026-08-02T16:34:30.658775+00:00" ODMVersion="1.3.2" FileType="Snapshot"
      Originator="360i Define-XML Team" SourceSystem="odmlib" SourceSystemVersion="0.2" def:Context="Other"
      xmlns="http://www.cdisc.org/ns/odm/v1.3" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
      xmlns:xml="http://www.w3.org/XML/1998/namespace" xmlns:xlink="http://www.w3.org/1999/xlink"
@@ -2304,7 +2304,7 @@
                     <CheckValue>EX23</CheckValue>
                 </RangeCheck>
             </def:WhereClauseDef>
-            <ItemGroupDef OID="IG.DS" Name="DS" Domain="DS" SASDatasetName="DS"
+            <ItemGroupDef OID="IG.DS" Name="DS" Domain="DS" SASDatasetName="DS" def:ArchiveLocationID="LF.DS"
                           def:Structure="One record per disposition status or protocol milestone per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2325,8 +2325,9 @@
                     <def:title>ds.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.DM" Name="DM" Domain="DM" SASDatasetName="DM" def:Structure="One record per subject"
-                          IsReferenceData="No" Repeating="No" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
+            <ItemGroupDef OID="IG.DM" Name="DM" Domain="DM" SASDatasetName="DM" def:ArchiveLocationID="LF.DM"
+                          def:Structure="One record per subject" IsReferenceData="No" Repeating="No"
+                          Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
                     <TranslatedText xml:lang="en">Demographics</TranslatedText>
                 </Description>
@@ -2361,7 +2362,7 @@
                     <def:title>dm.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.SC" Name="SC" Domain="SC" SASDatasetName="SC"
+            <ItemGroupDef OID="IG.SC" Name="SC" Domain="SC" SASDatasetName="SC" def:ArchiveLocationID="LF.SC"
                           def:Structure="One record per characteristic per visit per subject." IsReferenceData="No"
                           Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2386,7 +2387,7 @@
                     <def:title>sc.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.MH" Name="MH" Domain="MH" SASDatasetName="MH"
+            <ItemGroupDef OID="IG.MH" Name="MH" Domain="MH" SASDatasetName="MH" def:ArchiveLocationID="LF.MH"
                           def:Structure="One record per medical history event per subject" IsReferenceData="No"
                           Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2408,7 +2409,7 @@
                     <def:title>mh.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.SU" Name="SU" Domain="SU" SASDatasetName="SU"
+            <ItemGroupDef OID="IG.SU" Name="SU" Domain="SU" SASDatasetName="SU" def:ArchiveLocationID="LF.SU"
                           def:Structure="One record per substance type per reported occurrence per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2441,7 +2442,7 @@
                     <def:title>su.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.PR" Name="PR" Domain="PR" SASDatasetName="PR"
+            <ItemGroupDef OID="IG.PR" Name="PR" Domain="PR" SASDatasetName="PR" def:ArchiveLocationID="LF.PR"
                           def:Structure="One record per recorded procedure per occurrence per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2465,7 +2466,7 @@
                     <def:title>pr.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.VS" Name="VS" Domain="VS" SASDatasetName="VS"
+            <ItemGroupDef OID="IG.VS" Name="VS" Domain="VS" SASDatasetName="VS" def:ArchiveLocationID="LF.VS"
                           def:Structure="One record per vital sign measurement per time point per visit per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2495,7 +2496,7 @@
                     <def:title>vs.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.EG" Name="EG" Domain="EG" SASDatasetName="EG"
+            <ItemGroupDef OID="IG.EG" Name="EG" Domain="EG" SASDatasetName="EG" def:ArchiveLocationID="LF.EG"
                           def:Structure="One record per ECG observation per replicate per time point or one record per ECG observation per beat per visit per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2527,7 +2528,7 @@
                     <def:title>eg.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.CM" Name="CM" Domain="CM" SASDatasetName="CM"
+            <ItemGroupDef OID="IG.CM" Name="CM" Domain="CM" SASDatasetName="CM" def:ArchiveLocationID="LF.CM"
                           def:Structure="One record per recorded intervention occurrence or constant-dosing interval per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2555,7 +2556,7 @@
                     <def:title>cm.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.LB" Name="LB" Domain="LB" SASDatasetName="LB"
+            <ItemGroupDef OID="IG.LB" Name="LB" Domain="LB" SASDatasetName="LB" def:ArchiveLocationID="LF.LB"
                           def:Structure="One record per lab test per time point per visit per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2591,7 +2592,7 @@
                     <def:title>lb.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.MB" Name="MB" Domain="MB" SASDatasetName="MB"
+            <ItemGroupDef OID="IG.MB" Name="MB" Domain="MB" SASDatasetName="MB" def:ArchiveLocationID="LF.MB"
                           def:Structure="One record per microbiology specimen finding per time point per visit per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2616,7 +2617,7 @@
                     <def:title>mb.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.EC" Name="EC" Domain="EC" SASDatasetName="EC"
+            <ItemGroupDef OID="IG.EC" Name="EC" Domain="EC" SASDatasetName="EC" def:ArchiveLocationID="LF.EC"
                           def:Structure="One record per protocol-specified study treatment, collected-dosing interval, per subject, per mood"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2645,7 +2646,7 @@
                     <def:title>ec.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.AE" Name="AE" Domain="AE" SASDatasetName="AE"
+            <ItemGroupDef OID="IG.AE" Name="AE" Domain="AE" SASDatasetName="AE" def:ArchiveLocationID="LF.AE"
                           def:Structure="One record per adverse event per subject" IsReferenceData="No" Repeating="Yes"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2700,7 +2701,7 @@
                     <def:title>ae.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.TS" Name="TS" Domain="TS" SASDatasetName="TS"
+            <ItemGroupDef OID="IG.TS" Name="TS" Domain="TS" SASDatasetName="TS" def:ArchiveLocationID="LF.TS"
                           def:Structure="One record per trial summary parameter value" IsReferenceData="Yes"
                           Repeating="No" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2720,7 +2721,7 @@
                     <def:title>ts.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.TA" Name="TA" Domain="TA" SASDatasetName="TA"
+            <ItemGroupDef OID="IG.TA" Name="TA" Domain="TA" SASDatasetName="TA" def:ArchiveLocationID="LF.TA"
                           def:Structure="One record per planned Element per Arm" IsReferenceData="Yes" Repeating="No"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2741,7 +2742,7 @@
                     <def:title>ta.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.TE" Name="TE" Domain="TE" SASDatasetName="TE"
+            <ItemGroupDef OID="IG.TE" Name="TE" Domain="TE" SASDatasetName="TE" def:ArchiveLocationID="LF.TE"
                           def:Structure="One record per planned Element" IsReferenceData="Yes" Repeating="No"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2757,7 +2758,7 @@
                     <def:title>te.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.TI" Name="TI" Domain="TI" SASDatasetName="TI"
+            <ItemGroupDef OID="IG.TI" Name="TI" Domain="TI" SASDatasetName="TI" def:ArchiveLocationID="LF.TI"
                           def:Structure="One record per I/E criterion" IsReferenceData="Yes" Repeating="No"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2773,7 +2774,7 @@
                     <def:title>ti.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.TV" Name="TV" Domain="TV" SASDatasetName="TV"
+            <ItemGroupDef OID="IG.TV" Name="TV" Domain="TV" SASDatasetName="TV" def:ArchiveLocationID="LF.TV"
                           def:Structure="One record per planned Visit per Arm" IsReferenceData="Yes" Repeating="No"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2793,7 +2794,7 @@
                     <def:title>tv.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.SV" Name="SV" Domain="SV" SASDatasetName="SV"
+            <ItemGroupDef OID="IG.SV" Name="SV" Domain="SV" SASDatasetName="SV" def:ArchiveLocationID="LF.SV"
                           def:Structure="One record per actual or planned visit per subject" IsReferenceData="No"
                           Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2814,7 +2815,7 @@
                     <def:title>sv.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.IE" Name="IE" Domain="IE" SASDatasetName="IE"
+            <ItemGroupDef OID="IG.IE" Name="IE" Domain="IE" SASDatasetName="IE" def:ArchiveLocationID="LF.IE"
                           def:Structure="One record per inclusion/exclusion criterion not met per subject"
                           IsReferenceData="No" Repeating="Yes" Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -2834,7 +2835,7 @@
                     <def:title>ie.ndjson</def:title>
                 </def:leaf>
             </ItemGroupDef>
-            <ItemGroupDef OID="IG.SE" Name="SE" Domain="SE" SASDatasetName="SE"
+            <ItemGroupDef OID="IG.SE" Name="SE" Domain="SE" SASDatasetName="SE" def:ArchiveLocationID="LF.SE"
                           def:Structure="One record per actual Element per subject" IsReferenceData="No" Repeating="Yes"
                           Purpose="Tabulation" def:StandardOID="STD.SDTMIG">
                 <Description>
@@ -6363,13 +6364,16 @@
             </CodeList>
             <CodeList OID="CL.NCOMPLT" Name="Completion/Reason for Non-Completion" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66727"/>
             </CodeList>
             <CodeList OID="CL.DSCAT" Name="Category of Disposition Event" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C74558"/>
             </CodeList>
             <CodeList OID="CL.DSSCAT" Name="Subcategory for Disposition Event" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C170443"/>
             </CodeList>
             <CodeList OID="CL.NY" Name="No Yes Response" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -6388,6 +6392,7 @@
                 <Alias Context="nci:ExtCodeID" Name="C66742"/>
             </CodeList>
             <CodeList OID="CL.AGEU" Name="Age Unit" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66781"/>
             </CodeList>
             <CodeList OID="CL.SEX" Name="Sex" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -6406,12 +6411,15 @@
                 <Alias Context="nci:ExtCodeID" Name="C66731"/>
             </CodeList>
             <CodeList OID="CL.RACE" Name="Race" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C74457"/>
             </CodeList>
             <CodeList OID="CL.ETHNIC" Name="Ethnic Group" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66790"/>
             </CodeList>
             <CodeList OID="CL.ARMNULRS" Name="Arm Null Reason" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C142179"/>
             </CodeList>
             <CodeList OID="CL.SCTESTCD" Name="Subject Characteristic Test Code" DataType="text"
@@ -6702,6 +6710,7 @@
                 <Alias Context="nci:ExtCodeID" Name="C71620"/>
             </CodeList>
             <CodeList OID="CL.STENRF" Name="Relation to Reference Period" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66728"/>
             </CodeList>
             <CodeList OID="CL.NY_Y" Name="No Yes Response (Subset Y)" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -6744,6 +6753,7 @@
                 <Alias Context="nci:ExtCodeID" Name="C71113"/>
             </CodeList>
             <CodeList OID="CL.PROCEDUR" Name="Procedure" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C101858"/>
             </CodeList>
             <CodeList OID="CL.LOC" Name="Anatomical Location" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -6999,6 +7009,7 @@
                 <Alias Context="nci:ExtCodeID" Name="C71148"/>
             </CodeList>
             <CodeList OID="CL.VSRESU" Name="Units for Vital Signs Results" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66770"/>
             </CodeList>
             <CodeList OID="CL.VSRESU_TEMP" Name="Units for Vital Signs Results (Subset TEMP)" DataType="text"
@@ -7356,12 +7367,15 @@
                 <Alias Context="nci:ExtCodeID" Name="C71152"/>
             </CodeList>
             <CodeList OID="CL.NORMABNM" Name="Normal Abnormal Response" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C101834"/>
             </CodeList>
             <CodeList OID="CL.EGSTRESC" Name="ECG Result" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C71150"/>
             </CodeList>
             <CodeList OID="CL.EGMETHOD" Name="ECG Test Method" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C71151"/>
             </CodeList>
             <CodeList OID="CL.EVAL" Name="Evaluator" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -7392,10 +7406,12 @@
                 <Alias Context="nci:ExtCodeID" Name="C78735"/>
             </CodeList>
             <CodeList OID="CL.FRM" Name="Dosage Form" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66726"/>
             </CodeList>
             <CodeList OID="CL.ROUTE" Name="Route of Administration Response" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66729"/>
             </CodeList>
             <CodeList OID="CL.LBTESTCD" Name="Laboratory Test Code" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -8030,9 +8046,11 @@
             </CodeList>
             <CodeList OID="CL.LBSTRESC" Name="Laboratory Test Standard Character Result" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C102580"/>
             </CodeList>
             <CodeList OID="CL.NRIND" Name="Reference Range Indicator" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C78736"/>
             </CodeList>
             <CodeList OID="CL.SPECTYPE" Name="Specimen Type" DataType="text" def:StandardOID="STD.SDTMCT">
@@ -8207,13 +8225,16 @@
             </CodeList>
             <CodeList OID="CL.AESEV" Name="Severity/Intensity Scale for Adverse Events" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66769"/>
             </CodeList>
             <CodeList OID="CL.ACN" Name="Action Taken with Study Treatment" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66767"/>
             </CodeList>
             <CodeList OID="CL.OUT" Name="Outcome of Event" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66768"/>
             </CodeList>
             <CodeList OID="CL.TSPARMCD" Name="Trial Summary Parameter Test Code" DataType="text"
@@ -8573,10 +8594,12 @@
                 <Alias Context="nci:ExtCodeID" Name="C67152"/>
             </CodeList>
             <CodeList OID="CL.DICTNAM" Name="Dictionary Name" DataType="text" def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66788"/>
             </CodeList>
             <CodeList OID="CL.IECAT" Name="Category of Inclusion/Exclusion" DataType="text"
                       def:StandardOID="STD.SDTMCT">
+                <EnumeratedItem CodedValue="__PLACEHOLDER__"/>
                 <Alias Context="nci:ExtCodeID" Name="C66797"/>
             </CodeList>
             <CodeList OID="CL.CNTMODE" Name="Mode of Subject Contact" DataType="text" def:StandardOID="STD.SDTMCT">