What is OHIP billing code W646?

W646 is "Repeat consultation", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does W646 pay?

The current OHIP fee for W646 is $60.95, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill W646 to OHIP?

W646 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates W646 claims against the Schedule of Benefits rules before submission.

What codes are related to W646?

Codes related to W646 in the Schedule of Benefits include W645.

All codes

W646

W646 – Repeat consultation

OHIP Consultations and Visits Code — CONSULTATIONS AND VISITS · Schedule of Benefits

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Levels of this visit

The W64x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

W646 Repeat consultation(this code)
A repeat consultation is an additional consultation rendered by the same consultant, in respect of the same presenting problem, following care rendered to the patient by another…
$60.95
W645 Consultation
A consultation service rendered by a General Thoracic Surgery specialist following a written request from a referring practitioner for a patient in a Long-Term Care Institution…
$100.15

A repeat consultation is an additional consultation rendered by the same consultant, in respect of the same presenting problem, following care rendered to the patient by another physician in the interval following the initial consultation but preceding the repeat consultation. This service has the same requirements as a consultation, including the need for a new written request by the referring physician, nurse practitioner, or dental surgeon. It is applicable for non-emergency in-patient services in settings such as Chronic Care Hospitals, Convalescent Hospitals, Nursing Homes, and Homes for the Aged. The consultant must provide a written report of their findings and recommendations back to the referring practitioner. Refer to through for full consultation requirements.

Referral requiredFrom: Physician, NursePractitioner, DentalSurgeon

A repeat consultation has the same requirements as a consultation including the requirement for a new written request by the referring physician, nurse practitioner or dental surgeon.

A copy of the written request for the consultation, signed by the referring practitioner, must be kept in the consulting physician's medical record (or on the common medical record in a hospital or long-term care institution).

The written request must identify the consultant by name, the referring practitioner by name and billing number, and the patient by name and health number.

The written request must set out the information relevant to the referral and specify the service(s) required.

The consultant must prepare a written report (including findings, opinions, and recommendations) for the referring practitioner.

W645

This service is for non-emergency in-patients in a Long-Term Care Institution, which includes Chronic Care Hospitals, Convalescent Hospitals, Nursing Homes, Homes for the Aged, and designated chronic or convalescent care beds in hospitals (excluding designated palliative care beds).

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