AAA03 — Reject Reason Code (X12 element 901)
78 — Subscriber/Insured Not in Group/Plan Identified
Draft — pending verification
This reference entry has not yet been verified against its authoritative source (X12 005010X217 TR3 / element 901 code list — verify against licensed copy). Do not rely on it for production configuration until this notice is removed.
How 78 is used
Returned in AAA03 at the subscriber loop. Retrieve current group/plan from an eligibility response instead of stored demographics; stored group numbers age badly.
Example
A request carrying last year's group number after an employer changed plan offerings returns AAA03 = 78.
Where it lives in the transaction
78 is a value of AAA03 — Reject Reason Code (X12 element 901), carried in the AAA (Request Validation), 278 response — returned at the loop level where the problem was found of the 278 Health Care Services Review — Response (005010X217). For the payer-side view of how PA Bridge normalizes these codes across X12 and FHIR intake, see the articles section.