diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomSeriesModel.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomSeriesModel.cs
index 15fe213b9..c208c2a8d 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomSeriesModel.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/DTO/DicomSeriesModel.cs
@@ -68,6 +68,8 @@
         public string HtmlPath { get; set; }
 
         public int NumberOfFrames { get; set; }
+
+        public int InstanceNumber { get; set; }
     }
 
     public class DicomSeriesWithLabelDTO : DicomSeriesDTO
diff --git a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
index 891082100..28d77dd7b 100644
--- a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
@@ -288,7 +288,9 @@ namespace IRaCIS.Core.Application.Services
                         Id = k.Id,
                         NumberOfFrames = k.NumberOfFrames,
                         HtmlPath = k.HtmlPath,
-                        Path = k.Path
+                        Path = k.Path,
+                        InstanceNumber=k.InstanceNumber,
+                     
                     }).ToList();
                 }