diff --git a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
index a686bbe78..f346b1870 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
@@ -379,7 +379,7 @@ namespace IRaCIS.Application.Services
         {
             var maxReadVisit = await _readModuleRepository.Where(x => x.SubjectId == inDto.SubjectId&&x.ReadingSetType==inDto.ReadingSetType && x.ModuleType != ModuleTypeEnum.Global).OrderByDescending(x=>x.VisitNum).FirstOrDefaultAsync();
             var maxReadVisitNum= maxReadVisit==null?0:maxReadVisit.VisitNum;
-            var visitQuery = _subjectVisitRepository.Where(x => x.SubjectId == inDto.SubjectId && x.LatestScanDate != null);
+            var visitQuery = _subjectVisitRepository.Where(x => x.SubjectId == inDto.SubjectId && x.LatestScanDate != null&&!x.IsLostVisit);
             var finalVisitNum = await visitQuery.Where(x => x.IsFinalVisit).Select(x => x.VisitNum).FirstOrDefaultAsync();