What is OHIP billing code A638?

A638 is "Partial assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A638 pay?

The current OHIP fee for A638 is $48.00, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A638 to OHIP?

A638 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A638 claims against the Schedule of Benefits rules before submission.

What codes are related to A638?

Codes related to A638 in the Schedule of Benefits include A633, A636, A631.

All codes

A638

A638 – Partial assessment

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

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Levels of this visit

The A63x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A631 Minor assessment
A minor assessment is the service rendered when a nuclear medicine specialist evaluates a patient on a non-emergent basis resulting in the cancellation or deferral of a planned…
$26.80
A632 Minor assessment
A minor assessment is the service rendered when a nuclear medicine specialist evaluates a patient on a non-emergent basis on the advisability of performing a diagnostic nuclear…
$26.80
A638 Partial assessment(this code)
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…
$48.00
A633 Specific assessment
A specialist assessment requiring 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…
$72.00

Consultations

A636 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…
$84.00
A635 Consultation
A consultation is an assessment rendered following a written request from a referring physician, nurse practitioner, or dental surgeon in connection with an insured dental…
$188.40

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 record of the encounter.

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.

A633Specific assessment (Nuclear Medicine)A636Repeat consultation (Nuclear Medicine)A631Minor assessment (Nuclear Medicine)

A638 is distinct from a 'Minor Assessment' (A631/A632), which is specifically for evaluating a patient when a planned procedure is cancelled or deferred due to procedural difficulties or lack of cooperation.

The fee for A638 is $48.00.

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