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About NSF

NSF is used in the United States and stands for National Standards Format. It generically applies to any nationally standardized data format, but it is often used in a more limited way to designate the Professional EMC NSF, a 320-byte flat file record format used to submit professional claims.

Documents

NSF documents contain the following 320 character length segments:

AA0 SUBMITTER DATA
BA0 PROVIDER DATA
BA1 PROVIDER DATA 2
BAZ ADDITIONAL PROVIDER DATA
CA0 PATIENT DATA
DA0 PAYOR DATA 1
DA1 PAYOR DATA 2
DA2 PAYOR DATA 3
EA0 CLAIM DATA
EA1 CLAIM DATA
FA0 SERVICE LINE DETAIL DATA
FAZ ADDITIONAL DIAGNOSIS CODES
FB0 SERVICE LINE DETAIL DATA
FD0 DENTAL SERVICE DETAIL DATA
FE0 RE-PRICE LINE DETAIL DATA
FP0 PAID CLAIM DATA
HA0 EXTRA NARRATIVE INFORMATION
XA0 CLAIM TRAILER DATA
XAR ADDITIONAL REMARKS
YA0 BATCH TRAILER DATA
ZA0 FILE TRAILER DATA

Segment structure sample

  • RECORD NAME: FILE HEADER RECORD
  • RECORD TYPE: AA0
  • SUBMITTER DATA?
FIELD NO. FIELD NAME LENGTH TYPE FROM POS THRU POS
1 RECORD ID "AA0" 3 X 1 3
2 SUB ID 16 X 4 19
3 RESERVED (AA0-03.0) 9 X 20 28
4 SUBMISSION TYPE 6 X 29 34
5 SUBMISSION NO 6 X 35 40
6 SUB NAME 33 X 41 73
7 SUB ADDR1 30 X 74 103
8 SUB ADDR2 30 X 104 133
9 SUB CITY 20 X 134 153
10 SUB STATE 2 X 154 155
11 SUB ZIP 9 X 156 164
12 SUB REGION 5 X 165 169
13 SUB CONTACT 33 X 170 202
14 SUB PHONE 10 X 203 212
15 CREATION DATE 8 X 213 220
16 SUBMISSION TIME 6 X 221 226
17 RECEIVER ID 16 X 227 242
18 RECEIVER TYPE CODE 1 X 243 243

Field Requirements Sample

NSF Field Requirements Sample
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