diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
index fd8ea8d93..ee59f65bf 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
@@ -646,25 +646,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                         else if (calculate.GetDecimalNullFun != null)
                         {
                             var value = await calculate.GetDecimalNullFun(inDto);
-                            if (value == null)
-                            {
-                                if (typeNAList.Contains(item.QuestionType ?? QuestionType.SOD))
-                                {
-                                    item.Answer = nameof(YesOrNoOrNa.NA);
-
-                                }
-                                else
-                                {
-                                    item.Answer = this.nAString;
-
-                                }
-
-                            }
-                            else
-
-                            {
-                                item.Answer = value==null?string.Empty: value.ToString();
-                            }
+                            item.Answer = value == null ? string.Empty : value.Value.ToString();
                         }
                         else if (calculate.GetStringFun != null)
                         {