diff --git a/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/FieldNames.java b/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/FieldNames.java
index bee1512c..fd3c6e9a 100644
--- a/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/FieldNames.java
+++ b/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/FieldNames.java
@@ -436,4 +436,12 @@ public static String getTestedTypeCountFieldName(FeatureType featureType) {
     return SYNTHETIC_PREFIX + featureType.getId() + TESTED_DONOR_COUNT_SUFFIX;
   }
 
+
+  /**
+   * Variant field names.
+   */
+  public static final String CIVIC_VARIANT_ID = "variantID";
+  public static final String CLINVAR_ALLELE_ID = "alleleID";
+  public static final String CLINVAR_ASSEMBLY = "assembly";
+
 }
diff --git a/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/ReleaseCollection.java b/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/ReleaseCollection.java
index 72c8add2..33b19612 100644
--- a/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/ReleaseCollection.java
+++ b/dcc-common-core/src/main/java/org/icgc/dcc/common/core/model/ReleaseCollection.java
@@ -21,13 +21,7 @@
 import static com.google.common.collect.Iterables.transform;
 import static com.google.common.collect.Lists.newArrayList;
 import static java.util.Arrays.asList;
-import static org.icgc.dcc.common.core.model.FieldNames.DIAGRAM_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.DRUG_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.FILE_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.GENE_SET_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.MONGO_INTERNAL_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.PATHWAY_REACTOME_ID;
-import static org.icgc.dcc.common.core.model.FieldNames.RELEASE_ID;
+import static org.icgc.dcc.common.core.model.FieldNames.*;
 import static org.icgc.dcc.common.core.model.FieldNames.IdentifierFieldNames.SURROGATE_DONOR_ID;
 import static org.icgc.dcc.common.core.model.FieldNames.IdentifierFieldNames.SURROGATE_MUTATION_ID;
 import static org.icgc.dcc.common.core.model.FieldNames.ImporterFieldNames.CGC_ID;
@@ -62,7 +56,9 @@ public enum ReleaseCollection implements Identifiable {
   GENE_SET_COLLECTION(UNDETERMINED, "GeneSet", newArrayList(GENE_SET_ID)),
   DIAGRAM_COLLECTION(UNDETERMINED, "Diagram", newArrayList(DIAGRAM_ID)),
   FILE_COLLECTION(UNDETERMINED, "File", newArrayList(FILE_ID)),
-  DRUG_COLLECTION(UNDETERMINED, "Drug", newArrayList(DRUG_ID));
+  DRUG_COLLECTION(UNDETERMINED, "Drug", newArrayList(DRUG_ID)),
+  CIVIC_COLLECTION(UNDETERMINED, "Civic", newArrayList(CIVIC_VARIANT_ID)),
+  CLINVAR_COLLECTION(UNDETERMINED, "Clinvar", newArrayList(CLINVAR_ALLELE_ID, CLINVAR_ASSEMBLY));
 
   private final ReleaseDatabase parentDatabase;