diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
index 5cc39ef3c..d994e4372 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
@@ -1997,7 +1997,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
         {
             if (inDto.IsBaseLine)
             {
-                return SUVChangeVSBaseline.NotEvaluable.GetEnumInt();
+                return SUVChangeVSBaseline.NA.GetEnumInt();
             }
 
             if (inDto.QuestionInfo.Any(x => x.QuestionType == QuestionType.ExistPET && x.Answer == ReadingYesOrNo.No.GetEnumInt()))
diff --git a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
index 2fccb06c7..26e74b5a4 100644
--- a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
+++ b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
@@ -1076,6 +1076,7 @@ public enum SUVChangeVSBaseline
         /// </summary>
         NotEvaluable = 4,
 
+        NA=5,
     }
 
     /// <summary>