diff --git a/src/SymptomByBatchcodeTableFactory.py b/src/SymptomByBatchcodeTableFactory.py
index 9670b5369b1..454d4bea347 100644
--- a/src/SymptomByBatchcodeTableFactory.py
+++ b/src/SymptomByBatchcodeTableFactory.py
@@ -1,5 +1,6 @@
 import pandas as pd
 import numpy as np
+from Utils import fillLsts
 
 class SymptomByBatchcodeTableFactory:
 
@@ -73,9 +74,3 @@ class SymptomByBatchcodeTableFactory:
                     .dropna()
                     .to_frame(name = symptomColumn)
                     .reset_index())
-
-def fillLsts(lsts, desiredLen, fillValue):
-    return [fillLst(lst, desiredLen, fillValue) for lst in lsts]
-
-def fillLst(lst, desiredLen, fillValue):
-    return lst + [fillValue] * (max(desiredLen - len(lst), 0))
\ No newline at end of file
diff --git a/src/Utils.py b/src/Utils.py
new file mode 100644
index 00000000000..51ac94b8ab7
--- /dev/null
+++ b/src/Utils.py
@@ -0,0 +1,6 @@
+def fillLsts(lsts, desiredLen, fillValue):
+    return [fillLst(lst, desiredLen, fillValue) for lst in lsts]
+
+
+def fillLst(lst, desiredLen, fillValue):
+    return lst + [fillValue] * (max(desiredLen - len(lst), 0))