diff --git a/api/src/org/labkey/api/exp/api/ExpMaterial.java b/api/src/org/labkey/api/exp/api/ExpMaterial.java
index 768a7e17f37..26ac0c41810 100644
--- a/api/src/org/labkey/api/exp/api/ExpMaterial.java
+++ b/api/src/org/labkey/api/exp/api/ExpMaterial.java
@@ -57,6 +57,8 @@ public interface ExpMaterial extends ExpRunItem
 
     void setAliquotedFromLSID(String lsid);
 
+    Long getSampleStateId();
+
     DataState getSampleState();
 
     String getStateLabel();
diff --git a/api/src/org/labkey/api/exp/api/ExperimentJSONConverter.java b/api/src/org/labkey/api/exp/api/ExperimentJSONConverter.java
index c56d4467067..bb79fa4b0a6 100644
--- a/api/src/org/labkey/api/exp/api/ExperimentJSONConverter.java
+++ b/api/src/org/labkey/api/exp/api/ExperimentJSONConverter.java
@@ -754,6 +754,8 @@ public static JSONObject serializeMaterial(@NotNull ExpMaterial material, @Nulla
             isDerivative = material.getRunId() != null && material.getRunId() > 0;
 
         jsonObject.put("materialLineageType", isAliquot ? "Aliquot" : (isDerivative ? "Derivative" : "RootMaterial"));
+        if (material.getSampleStateId() != null)
+            jsonObject.put("sampleStatus", material.getSampleStateId());
 
         return jsonObject;
     }
diff --git a/experiment/src/org/labkey/experiment/api/ExpMaterialImpl.java b/experiment/src/org/labkey/experiment/api/ExpMaterialImpl.java
index b4b8581656a..3799d5c8713 100644
--- a/experiment/src/org/labkey/experiment/api/ExpMaterialImpl.java
+++ b/experiment/src/org/labkey/experiment/api/ExpMaterialImpl.java
@@ -179,6 +179,7 @@ public void setAliquotedFromLSID(String lsid)
         _object.setAliquotedFromLSID(lsid);
     }
 
+    @Override
     public Long getSampleStateId()
     {
         return _object.getSampleState();