Remittance Advice · Payment-time (remittance)
OHIP explanatory code EF
Incorrect version code-services provided on or after the 20th of this month will not be paid unless the current version code is provided
What EF means
The Ministry of Health’s official wording for EF is: “Incorrect version code-services provided on or after the 20th of this month will not be paid unless the current version code is provided.”
This code appears as an explanatory code on your monthly Remittance Advice (RA). It means the claim was adjudicated — paid, reduced, or refused — for the reason below. A claim already on your RA generally shouldn't be blindly resubmitted; follow the suggested action.
How to fix EF
Check the patient eligibility and health card for the service date. If they were covered, file a Remittance Advice Inquiry; otherwise bill the correct payer.
Payment-time codes appear on the monthly Remittance Advice after adjudication. Some are informational, some explain a reduced or refused payment. Where you disagree with the outcome, the usual route is a Remittance Advice Inquiry or written inquiry — not resubmitting the same claim, which can create a duplicate.
Related codes
- E9Service Date after Eligibility End Date - Eligibility Terminated Due to no Response to Notice to Register
- EAService date is not within an eligible period - Services provided on or after the 20th of this month will not be paid unless eligibility status changes
- EBCoding added/changed in accordance with Schedule of Benefits
- EEAssessment Allowed at Full Fee for Patient Proceeding to Hospital
- ENNetwork billing not allowed
- EPThis payment is an adjustment of an earlier account due to provider registration update
- EVCheck health card for current version code
- F1Additional fractures/dislocations allowed at 85%
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Code meaning per Ontario Ministry of Health — Remittance Advice Explanatory Codes / Messages (March 2026). The suggested action is general information for Ontario physicians, not billing, legal, or tax advice — codes and rules change, so verify against the current Ministry of Health documents before relying on a claim.