Waystar · Health Care Claim — Professional

Implementation notes for feeding the 837P transaction to Waystar.

Envelope defaults

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

Required fields

REF/REF02 — Provider tax ID (REF*EI) in loop 2010BB
NM1/NM108 — Payer ID qualifier PI (2010BB)

Fixed values

None.

Endpoint: Waystar Portal / SFTP