What is OHIP billing code A721?

A721 is "Complex medical specific re-assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A721 pay?

The current OHIP fee for A721 is $83.40, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A721 to OHIP?

A721 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A721 claims against the Schedule of Benefits rules before submission.

What codes are related to A721?

Codes related to A721 in the Schedule of Benefits include A723, A724, A728, C721.

All codes

A721

A721 – Complex medical specific re-assessment

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

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Levels of this visit

The A72x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A728 Partial assessment
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
A724 Medical specific re-assessment
A medical specific re-assessment is a service rendered by a specialist in Occupational Medicine (72) that requires a full, relevant history and physical examination of one or more…
$72.00
A721 Complex medical specific re-assessment(this code)
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
A723 Medical specific assessment
Specific assessment and medical specific assessment are services rendered by specialists, in a place other than a patient’s home, and require a full history of the presenting…
$95.95

Consultations

A726 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…
$123.10
A725 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…
$192.85
A720 Comprehensive occupational medicine consultation
This service is a consultation rendered by a specialist in occupational medicine who provides all the appropriate elements of a consultation and spends a minimum of 75 minutes in…
$342.25

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. It includes all the requirements of a medical specific re-assessment, which requires a full, relevant history and physical examination of one or more systems.

The physician must report findings, opinions, or recommendations in writing to the patient’s primary care physician.

Failure to provide the written report will result in the fee being adjusted to a lesser assessment fee.

Usage limits

Limited to 4 per patient per physician per 12 month period (including any combination with A723).

A723Medical specific assessment A724Medical specific re-assessment A728Partial assessment C721Complex medical specific re-assessment (In-patient)

If the requirements for a complex medical specific re-assessment are not met, the amount payable will be adjusted to a lesser assessment fee (typically a medical specific re-assessment or partial assessment).

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