Availity · Health Care Claim — Professional

Implementation notes for feeding the 837P transaction to Availity.

Envelope defaults

{
  "isaSenderQualifier": "ZZ",
  "isaReceiverQualifier": "ZZ",
  "receiverId": "030240928",
  "versionId": "005010X222A1",
  "gsCode": "HC",
  "usageIndicator": "P"
}

Required fields

REF/REF02 — Availity submitter ID in loop 1000A
NM1/NM109 — Billing provider NPI (2010AA)

Fixed values

GS08 = 005010X222A1 — Availity requires the A1 addenda

Filename pattern: AVAILITY_837P_{yyyymmdd}_{ctrl}.dat

Endpoint: https://apps.availity.com — SFTP or SOAP

Availity rejects any 837 without a valid REF*EI tax ID on 2010AA.