What is OHIP billing code C233?

C233 is "Specific assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does C233 pay?

The current OHIP fee for C233 is $60.50, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill C233 to OHIP?

C233 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates C233 claims against the Schedule of Benefits rules before submission.

What codes are related to C233?

Codes related to C233 in the Schedule of Benefits include A233, C234, C235, C236, C232, C237, C239.

All codes

C233

C233 – Specific assessment

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

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Levels of this visit

The C23x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

C234 Specific re-assessment
A specific re-assessment is a service rendered by specialists and requires a full, relevant history and physical examination of one or more systems.
$30.75
C233 Specific assessment(this code)
A specific assessment performed by a specialist in Ophthalmology (23) for a non-emergency hospital in-patient.
$60.50

Consultations

C236 Repeat consultation
A repeat consultation is an additional assessment rendered by the same consultant for the same presenting problem, following care rendered to the patient by another physician in…
$48.00
C235 Consultation
A consultation rendered by a physician with the specialty designation of Ophthalmology (23) for a non-emergency hospital in-patient.
$85.95
C231 Neuro-Ophthalmology Consultation
A neuro-ophthalmology consultation rendered for a non-emergency hospital in-patient, subject to the same conditions as A231.
$155.45

A specific assessment performed by a specialist in Ophthalmology (23) for a non-emergency hospital in-patient. According to the General Preamble (), a specific assessment requires a full history of the presenting complaint and a detailed examination of the affected part(s), region(s), or system(s) to make a diagnosis, exclude disease, and/or assess function. The 'C' prefix indicates the service is for an acute care hospital in-patient, as defined in and . For emergency calls or special visits to in-patients, the 'A' prefix General Listings codes should be used instead, along with applicable special visit premiums.

As per , all assessments must include a direct physical encounter with the patient, history taking, and physical examination.

All insured services must be documented in the medical record to establish that the service was provided, was medically necessary, and is the service for which the account is submitted ().

Usage limits

OR([1, "12_months", "per_patient_per_physician", "Maximum of one specific assessment per patient, per physician, per 12-month period."],[1, "12_months", "per_patient_per_physician", "A second specific assessment is payable within a 12-month period if the patient presents with a complaint for which a clearly different and unrelated diagnosis is made."])

A233 C234 C235 C236 C232 C237 C239

See General Preamble to .

For emergency calls and other special visits to in-patients, use General Listings and Premiums when applicable - see General Preamble to .

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