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AK9

Group-verdict segment in X12 997 and 999 acknowledgments.

Definition

AK901 carries the group acknowledgment code (A accepted, E accepted with errors, P partially accepted, R rejected). AK902 through AK904 count the transactions included, received, and accepted; AK905 through AK909 may list up to five group error codes. It is the acknowledgment's summary segment.

Origin

Defined within the 997 and 999 transaction sets of the ASC X12 standards, maintained by the Accredited Standards Committee X12.

Example in context

AK9*E*3*3*2~

  • EDI 997 — functional acknowledgment containing the AK9.
  • IK5 — transaction-level verdict in the 999.

Last updated: June 20, 2026