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Error code

EP4 — Enrolment Restriction Applied

Enrolment restriction

An enrolment restriction applied to this claim, so it was rejected; the Ministry doesn't describe the restriction.

What to do: Check the patient's current enrolment status and that the patient and code are eligible for your enrolment model.

Code
EP4
Description
Enrolment Restriction Applied

Explanation

Updated October 26, 2026

EP4 means an enrolment restriction stopped this claim. Check the patient's enrolment status before resubmitting.

What it means

EP4 is one of the Ministry's patient enrolment error codes. It means an enrolment restriction applied to this claim, so it was rejected. The Ministry's error list doesn't describe the restriction.

How to fix it

  1. Check the patient's current enrolment status and the enrolment code on the claim.
  2. Check that the patient and the enrolment code are eligible for your patient enrolment model.
  3. If you can't find the cause, contact the Ministry's claims office before resubmitting.

Don't resubmit if

  • Nothing has changed. Sending the same claim again will reject again.

How APEX handles it

APEX reads your error reports and remittance advice from MCEDT and lists claims rejected with this code in its Correction Centre for you to correct and resubmit. See how APEX works · Pricing

Related codes: EP1, EP2

Sources