diff --git a/healthcareio/x12/__init__.py b/healthcareio/x12/__init__.py
index f53cc9f..c146460 100644
--- a/healthcareio/x12/__init__.py
+++ b/healthcareio/x12/__init__.py
@@ -512,17 +512,26 @@ class Parser (Process):
                         _claim['index'] = index #len(claims)
                         # claims.append(dict(DEFAULT_VALUE,**_claim))  
                         #                       
-                        schema = [key for key in _claim.keys() if type(_claim[key]) == list]
-                        if schema :
-                            schema  = {"properties":dict.fromkeys(schema,{"mergeStrategy":"append"})}
+                        # schema = [ {key:{"mergeStrategy":"append" if list( type(_claim[key])) else "overwrite"}} for key in _claim.keys()] # if type(_claim[key]) == list]
+                        # _schema = set(DEFAULT_VALUE.keys()) - schema
+                        # if schema :
+                            # schema  = {"properties":dict.fromkeys(schema,{"mergeStrategy":"append"})}
                             
-                        else:
-                            schema = None
+                        # else:
+                            
+                        #     schema = {"properties":{}}
+                        
+                        # schema = jsonmerge.merge(schema['properties'],dict.fromkeys(_schema,{"mergeStrategy":"overwrite"}))
+                        schema = {"properties":{}}
+                        for attr in _claim.keys() :
+                            schema['properties'][attr]  = {"mergeStrategy": "append" if type(_claim[attr]) == list else "overwrite" }
                         merger = jsonmerge.Merger(schema)         
-                        if not schema :
-                            merger = jsonmerge
+                        _baseclaim = None
+                        _baseclaim = merger.merge(_baseclaim,DEFAULT_VALUE.copy())
+                        _claim = merger.merge(_baseclaim,_claim)
 
-                        _claim = merger.merge(DEFAULT_VALUE.copy(),_claim)                        
+                        # _claim = merger.merge(DEFAULT_VALUE.copy(),_claim)
+                        
                         claims.append( _claim)
                     segment = [row]
                     
@@ -539,22 +548,30 @@ class Parser (Process):
                 claim = self.apply(segment,_code)
                 if claim :
                     claim['index'] = len(claims)
-                    schema = [key for key in claim.keys() if type(claim[key]) == list]
-                    if schema :
-                        schema  = {"properties":dict.fromkeys(schema,{"mergeStrategy":"append"})}
+                    # schema = [key for key in claim.keys() if type(claim[key]) == list]
+                    # if schema :
+                    #     schema  = {"properties":dict.fromkeys(schema,{"mergeStrategy":"append"})}
                         
-                    else:
-                        schema = None
+                    # else:
+                    #     print (claim.keys())
+                    #     schema = {}
                     #
                     # @TODO: Fix merger related to schema (drops certain fields ... NOT cool)
-                    if not schema :
-                        merger = jsonmerge
-                    merger = jsonmerge.Merger(schema)
+                    
+                    # merger = jsonmerge.Merger(schema)
                     # top_row_claim = self.apply(_toprows,_code)
                     
                     # claim = merger.merge(claim,self.apply(_toprows,_code))
                     # claims.append(dict(DEFAULT_VALUE,**claim))
-                    claims.append(merger.merge(DEFAULT_VALUE.copy(),claim))
+                    schema = {"properties":{}}
+                    for attr in _claim.keys() :
+                        schema['properties'][attr]  = {"mergeStrategy": "append" if type(_claim[attr]) == list else "overwrite" }                    
+                    _baseclaim = None
+                    _baseclaim = merger.merge(_baseclaim,DEFAULT_VALUE.copy())
+                    claim = merger.merge(_baseclaim,claim)
+                    claims.append(claim)
+
+                    # claims.append(merger.merge(DEFAULT_VALUE.copy(),claim))
             if type(file) != list :
                 file.close()
 
diff --git a/setup.py b/setup.py
index ead76a4..5668369 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ import sys
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read() 
 args = {
-    "name":"healthcareio","version":"1.6.2.18",
+    "name":"healthcareio","version":"1.6.2.20",
     "author":"Vanderbilt University Medical Center",
     "author_email":"steve.l.nyemba@vumc.org",
     "include_package_data":True,