What is OHIP billing code A418?

A418 is "Partial assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A418 pay?

The current OHIP fee for A418 is $44.75, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A418 to OHIP?

A418 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A418 claims against the Schedule of Benefits rules before submission.

What codes are related to A418?

Codes related to A418 in the Schedule of Benefits include A413, A415, A120, A138.

All codes

A418

A418 – Partial assessment

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

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Levels of this visit

The A41x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A418 Partial assessment(this code)
A partial assessment is the limited service that constitutes a history of the presenting complaint, the necessary physical examination, advice to the patient and appropriate…
$44.75
A414 Medical specific re-assessment
A medical specific re-assessment is a service rendered by a specialist requiring a full, relevant history and physical examination of one or more systems.
$72.00
A411 Complex medical specific re-assessment
A complex medical specific re-assessment is a re-assessment of a patient because of the complexity, obscurity, or seriousness of the patient’s condition.
$83.40
A413 Medical specific assessment
A medical specific assessment is a service rendered by a specialist in a place other than a patient’s home.
$95.95

Consultations

A416 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…
$106.90
A415 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…
$159.45

A partial assessment is the limited service that constitutes a history of the presenting complaint, the necessary physical examination, advice to the patient and appropriate record.

History of the presenting complaint.

Necessary physical examination.

Advice to the patient.

Appropriate medical record.

Usage limits

No specific annual limit, but often used when major assessment limits are reached.

A413Medical specific assessment A415Consultation A120Colonoscopy assessment, same day as colonoscopy A138Partial assessment (Internal Medicine)

A418 is the Gastroenterology-specific partial assessment code.

For services not listed in the Gastroenterology section, refer to the Internal Medicine section.

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