What is OHIP billing code A173?

A173 is "Specific assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A173 pay?

The current OHIP fee for A173 is $49.30, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A173 to OHIP?

A173 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A173 claims against the Schedule of Benefits rules before submission.

What codes are related to A173?

Codes related to A173 in the Schedule of Benefits include A175, A176, A174, C173.

All codes

A173

A173 – Specific assessment

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

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Levels of this visit

The A17x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A174 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…
$26.75
A173 Specific assessment(this code)
A specific assessment is a service rendered by a specialist in a place other than a patient’s home, requiring a full history of the presenting complaint and a detailed examination…
$49.30

Consultations

A176 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…
$66.60
A175 Consultation
A consultation is an assessment rendered following a written request from a referring physician, nurse practitioner or dental surgeon who requests the opinion of a vascular…
$125.15

A specific assessment is a service rendered by a specialist in a place other than a patient’s home, requiring a full history of the presenting complaint and a 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.

Full history of the presenting complaint.

Detailed examination of the affected part(s), region(s), or system(s).

Service must be rendered in a place other than the patient's home (e.g., office or hospital out-patient department).

Usage limits

Limited to one per patient per physician per 12-month period. A second assessment is allowed within the same 12-month period if the patient presents with a clearly different and unrelated diagnosis.

A175Consultation - Vascular Surgery A176Repeat consultation - Vascular Surgery A174Partial assessment - Vascular Surgery C173Specific assessment (In-patient) - Vascular Surgery

If the physician admits the patient to the hospital following the assessment in the OPD or ED, A173 constitutes the admission assessment.

A173 is not eligible for age-based fee premiums ().

Vascular Surgery is not an eligible specialty for the Chronic Disease Assessment Premium (E078).

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