Should I keep billing a consultation after ERF?

Only if you have a different referring physician or nurse practitioner who is eligible and who requested the consult. Otherwise submit the assessment or visit listing that matches the documented service and does not depend on that number.

Is ERF the same as EQ6?

No. EQ6 means the number is not registered with the Ministry. ERF means the number is currently ineligible to refer.

Does the error report tell me why the number is ineligible?

No. The Ministry publishes only that the referring physician number is currently ineligible for referrals. The underlying status reason is not printed on the Claims Error Report line.

Can I clear ERF by fixing a typo in the same number?

Only if the typo produced a different problem code such as V09 or EQ6. ERF on a correctly formatted number is a status rejection. Resubmitting the same ineligible number will not pay.

OHIP error report

ERF

Provider registration and referrals

OHIP error code ERF: referring physician number currently ineligible

ERF means the referring physician number is currently ineligible for referrals. The number may be correctly formatted and previously registered. It is not accepted as a referrer on the service date.

Ministry wording: Referring physician number is currently ineligible for referrals. Most often affects Internal medicine, Psychiatry, Neurology, Hospitalists, Orthopaedic surgery.

You already know ERF. A single rejection is rarely the whole pile. Specialists we work with recover $10,000 to $100,000+ from rejected and unpaid claims.

1Why it fires
2What it costs
3Whether it is recoverable

See if this is recoverable

ERF at a glance

ERF is a Claims Error Report status check on the referring physician number. The Ministry wording is short and exact: the referring physician number is currently ineligible for referrals. The claim is rejected before payment.

The Ministry condition does not publish the reason for ineligibility on the error report. It does not say the number is missing, unformatted, or unregistered. Those failures land on ARF, ARP, V09, AC4, or EQ6. ERF means the number is treated as known and is not currently accepted as a referrer on the service date.

The Schedule of Benefits pays a consultation only when there is a written request from an eligible referring physician, nurse practitioner, or (in the limited dental-hospital case) dental surgeon. If the referring number on the claim is ineligible, the consultation listing cannot clear that edit. The clinical work may still support a different insured listing that does not depend on that number. Bill what the record supports.

Why it fires

The referring number is registered but currently flagged ineligible for referrals on the service date.
The consultation request is old, and the physician who signed it is no longer eligible even though your EMR still treats the number as live.
The number passes format checks, so software submits it, and the Ministry status edit still rejects it.

ERF is the status check, not the existence check. EQ6 says the number is not registered. ERF says the number is currently ineligible for referrals. Resubmitting the same number after confirming it is six digits will not clear ERF.

Clinics commonly see ERF when a long-standing family physician referrer leaves practice and the office continues to use old letterhead, or when an EMR favourite list still holds a number that is no longer eligible. Hospital-based groups also see it when a referring staff physician’s number is deactivated between the date on the consult request and the date you submit. Those are clinic patterns consistent with an ineligibility flag. The error report itself does not name the underlying status reason.

The Ministry is not judging whether the consult was clinically appropriate. It is refusing to accept that billing number as a referring physician on this claim.

What it costs

The consultation or other referral-required service is rejected. A visit or assessment that does not require a referring physician may still be payable if you submit the listing that matches the documented service. The fee difference depends on the specialty Schedule listing.

If you only correct the format and resubmit the consult with the same ineligible number, you still have zero payment. The path that actually pays is either a different eligible referring physician who did request the consult, or billing the assessment or visit listing the Schedule allows without that referrer.

Do not invent a substitute referrer. If no eligible physician requested the consult, the honest claim is the assessment or visit that matches the work documented, not a consult with a borrowed number.

For services on or after 1 April 2023, the three-month submission window still applies. An ERF that sits uncorrected can age into a stale-dated problem while the status issue remains unresolved.

Fee codes this most often affects

A135 · Consultation, internal and occupational medicine: A consultation depends on an eligible referring physician or nurse practitioner request, so ERF removes the basis for this listing when that number is ineligible.
A133 · Medical specific assessment, internal medicine: An assessment listing commonly available when no eligible referring physician requested the opinion and the documented service matches assessment criteria.
A134 · Medical specific re-assessment, internal medicine: Applies where the encounter was a follow-up rather than a first opinion. Bill what the record supports, not the higher listing.

Listings and descriptions are from the OHIP Schedule of Benefits. Amounts change with each fee schedule update, so confirm the current value before you rely on it.

Step-by-step: how to clear this rejection

Confirm the Claims Error Report code is ERF, not EQ6, AC4, or V09.
Verify whether another eligible physician or nurse practitioner actually requested the opinion and can be named from the written request.
If an eligible referrer exists, replace the number and resubmit the consultation listing.
If no eligible referrer requested the service, submit the assessment or visit listing that matches the documented encounter and does not require that referring number.
Update the EMR so the ineligible number cannot be reused on the next claim.

Treat ERF as a status problem on day one. Do not treat it as a typo. Confirming six digits is necessary for other codes and irrelevant to clearing ERF with the same number.

When the record supports an assessment rather than a consultation, use the assessment listing. For internal medicine, examples include medical specific assessment and re-assessment listings such as A133 and A134 where the documented service matches those Schedule definitions. Other specialties have their own assessment families. Bill the listing the chart supports.

If the original claim reached the Claims Error Report inside three months, use the Ministry stale-date path in INFOBulletin 230402 rather than inventing a substitute referrer. Do not assume a consult fee will be paid on an ineligible number.

Money you already earned, still unpaid

Recovery is separate work from ongoing billing. Charging only a percentage of what we recover, we review the backlog, correct what your documentation supports, and resubmit. Recent engagements have recovered five- and six-figure amounts, including rejected claims well past the 3-month stale dated deadline going back into 2023.

The alternative is usually your evenings or admin blocks, not billable clinic time. No setup or service fees. Every dollar recovered is money already written off, you keep most of it, and you pay nothing if nothing comes back.

“These claims weren’t chased up on. These claims have been stale dated. You add up the volume of money in there and it’s a consequential sum.”

Dr Sanjay Acharya, on what the recovery review found

Show me what is still recoverable

How to fix it going forward

Flag EMR referrer records when a physician leaves practice or tells you their billing number or referral eligibility is changing.
On the service date, treat a returned ERF as a status problem. Do not treat it as a typo.
Require a current written request for each consult claim. Do not copy the last referrer from a previous encounter by default.
Separate “number looks valid” from “number is eligible to refer on this service date.”

Address-book hygiene prevents most ERF clusters. When a family practice reports that a physician has left, update every specialist in your group the same day. One stale favourite list can reject a month of consults.

If intake copies the last referrer from a previous encounter, you will recycle ineligible numbers onto new patients. Require a current request for each consult claim.

Build a monthly review of ERF lines by referrer name. Repeated ERF on the same number means the master record is still live in the EMR.

Is it recoverable?

Recoverable by resubmission inside the window

Resubmit with an eligible referring physician if one requested the service, or submit the assessment or visit listing that does not require that referring number. Inside the three-month window this is a corrected claim, not a new clinical service.

When the original number cannot be used, the Schedule consultation definition is not met for that claim. Submit the assessment or visit listing that matches the documented service and does not depend on the ineligible number. That is a fee-schedule choice based on the record, not a way to keep the consult code alive with a placeholder number.

If the original claim reached the Claims Error Report inside three months, INFOBulletin 230402 allows a corrected resubmission through the Ministry stale-date process after the three-month window. If the claim was never submitted in time, payment may be recoverable by written application. This page does not explain how that application is prepared.

For in-province services on or after 1 April 2023, claims must be submitted within three months of the date of service, not six. Ontario INFOBulletin 230402 is the Ministry notice. Many third-party pages still quote six months. That window is closed for current work. If the original claim reached the Claims Error Report inside three months, a corrected resubmission can still be filed after the window in the Ministry's stale-date process. If the claim was never submitted in time, payment may be recoverable by written application. That is not a routine resubmit.

Related codes

Frequently asked questions

What does OHIP error code ERF mean?: ERF means the referring physician number is currently ineligible for referrals. The number may be correctly formatted and previously registered. It is not accepted as a referrer on the service date.
Should I keep billing a consultation after ERF?: Only if you have a different referring physician or nurse practitioner who is eligible and who requested the consult. Otherwise submit the assessment or visit listing that matches the documented service and does not depend on that number.
Is ERF the same as EQ6?: No. EQ6 means the number is not registered with the Ministry. ERF means the number is currently ineligible to refer.
Does the error report tell me why the number is ineligible?: No. The Ministry publishes only that the referring physician number is currently ineligible for referrals. The underlying status reason is not printed on the Claims Error Report line.
Can I clear ERF by fixing a typo in the same number?: Only if the typo produced a different problem code such as V09 or EQ6. ERF on a correctly formatted number is a status rejection. Resubmitting the same ineligible number will not pay.

References

For how error reports relate to the remittance advice, see how to read your OHIP remittance advice and what rejection codes actually mean. Official wording for this code: Ministry of Health, Error Report Rejection Conditions (December 2022).