http://www.wpc-edi.com/reference/codelists/healthcare/claim-status-category-codes/

 

EDIT MAPPING FOR 277 IN THE ORDER OF CLAIM STATUS CODE

https://www.emedny.org/hipaa/5010/transactions/crosswalks/Edit%20Mapping%20for%20277%20in%20the%20Order%20of%20Claim%20Status%20Code.pdf