What is OHIP billing code A233?

A233 is "Specific assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A233 pay?

The current OHIP fee for A233 is $60.50, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A233 to OHIP?

A233 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A233 claims against the Schedule of Benefits rules before submission.

What codes are related to A233?

Codes related to A233 in the Schedule of Benefits include A234, A235, E423, E424.

All codes

A233

A233 – Specific assessment

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

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Levels of this visit

The A23x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A230 Orthoptic assessment
Orthoptic assessment must include quantitative measurement of all cardinal positions of gaze (straight ahead, left, right, up, down, tilt right and tilt left), sensory testing for…
$26.20
A234 Partial assessment
A partial assessment is a limited service that constitutes a history of the presenting complaint, the necessary physical examination, advice to the patient, and an appropriate…
$31.95
A237 Periodic oculo-visual assessment - aged 19 years and below
A periodic oculo-visual assessment is an examination of the eye and vision system rendered primarily to determine if a patient has a simple refractive error (defined as myopia…
$59.35
A239 Periodic oculo-visual assessment - aged 65 years and above
A periodic oculo-visual assessment is an examination of the eye and vision system rendered primarily to determine if a patient has a simple refractive error (defined as myopia…
$59.35
A233 Specific assessment(this code)
A specific assessment is a service rendered by a specialist, in a place other than a patient’s home, that requires a full history of the presenting complaint and detailed…
$60.50

Consultations

A236 Repeat consultation
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…
$48.00
A235 Consultation
A consultation is an assessment rendered following a written request from a referring physician, nurse practitioner, or dental surgeon (for hospital-based insured dental…
$86.25
A231 Neuro-ophthalmology consultation
A consultation rendered by an ophthalmologist with fellowship training in neuro-ophthalmology for a patient with a neuro-ophthalmological disorder, requiring specific documented…
$155.45

A specific assessment is a service rendered by a specialist, in a place other than a patient’s home, that requires a full history of the presenting complaint and detailed examination of the affected part(s), region(s), or system(s) needed to make a diagnosis, and/or exclude disease, and/or assess function.

Requires a full history of the presenting complaint.

Requires a detailed examination of the affected part(s), region(s), or system(s) needed to make a diagnosis, exclude disease, and/or assess function.

Must be rendered personally by the ophthalmologist.

Usage limits

Limited to one per patient per physician per 12-month period. This limit is increased to two per 12-month period if the patient presents a second time with a complaint for which a clearly different diagnosis is made, unrelated to the diagnosis made at the time of the first specific assessment.

A234Partial assessment A235Consultation E423Manual cycloplegic refraction E424Assessment of paediatric patient with amblyopia

A233 is eligible for age-based fee premiums as per the Age Premium Table in the General Preamble.

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