AAA03 — Reject Reason Code (X12 element 901)
33 — Input Errors
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 33 is used
Returned in AAA03 where the error was detected. Track payer-by-payer usage patterns — a partner that answers everything with 33 needs companion-guide-level conversation to get actionable rejections.
Example
A malformed date range that passes syntax checks but fails application edits returns AAA03 = 33.
Where it lives in the transaction
33 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.