diff --git a/python/lsst/sdm_schemas/schemas/apdb.yaml b/python/lsst/sdm_schemas/schemas/apdb.yaml
index dd87a78f..5e8b93c6 100644
--- a/python/lsst/sdm_schemas/schemas/apdb.yaml
+++ b/python/lsst/sdm_schemas/schemas/apdb.yaml
@@ -1,7 +1,7 @@
 ---
 name: "ApdbSchema"
 "@id": "#apdbSchema"
-version: "5.0.0"
+version: "6.0.0"
 description: The Alert Production Database (APDB) contains the catalogs resulting from
   image differencing during nightly Prompt Processing as well as the results of
   daily Solar System Processing.
@@ -2060,7 +2060,17 @@ tables:
   - name: pixelFlags_edge
     "@id": "#DiaSource.pixelFlags_edge"
     datatype: boolean
-    description: Some of the source footprint is outside usable exposure region (masked EDGE or NO_DATA, or centroid off image).
+    description: Some of the source footprint is outside usable exposure region (masked EDGE or centroid off image).
+    fits:tunit:
+  - name: pixelFlags_nodata
+    "@id": "#DiaSource.pixelFlags_nodata"
+    datatype: boolean
+    description: NO_DATA pixel in the source footprint.
+    fits:tunit:
+  - name: pixelFlags_nodataCenter
+    "@id": "#DiaSource.pixelFlags_nodataCenter"
+    datatype: boolean
+    description: NO_DATA pixel in the 3x3 region around the centroid.
     fits:tunit:
   - name: pixelFlags_interpolated
     "@id": "#DiaSource.pixelFlags_interpolated"
diff --git a/python/lsst/sdm_schemas/schemas/imsim.yaml b/python/lsst/sdm_schemas/schemas/imsim.yaml
index e96b20bc..a698e6a8 100644
--- a/python/lsst/sdm_schemas/schemas/imsim.yaml
+++ b/python/lsst/sdm_schemas/schemas/imsim.yaml
@@ -8327,8 +8327,17 @@ tables:
   - name: pixelFlags_edge
     "@id": "#DiaSource.pixelFlags_edge"
     datatype: boolean
-    description: Some of the source footprint is outside usable exposure region (masked EDGE or NO_DATA, or centroid off image).
+    description: Some of the source footprint is outside usable exposure region (masked EDGE or centroid off image).
     fits:tunit:
+  - name: pixelFlags_nodata
+    "@id": "#DiaSource.pixelFlags_nodata"
+    datatype: boolean
+    description: NO_DATA pixel in the source footprint.
+    fits:tunit:
+  - name: pixelFlags_nodataCenter
+    "@id": "#DiaSource.pixelFlags_nodataCenter"
+    datatype: boolean
+    description: NO_DATA pixel in the 3x3 region around the centroid.
   - name: pixelFlags_interpolated
     "@id": "#DiaSource.pixelFlags_interpolated"
     datatype: boolean