What is OHIP billing code A661?

A661 is "Complex medical specific re-assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A661 pay?

The current OHIP fee for A661 is $86.35, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A661 to OHIP?

A661 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A661 claims against the Schedule of Benefits rules before submission.

What codes are related to A661?

Codes related to A661 in the Schedule of Benefits include A263, A264, E078.

All codes

A661

A661 – 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 A66x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A661 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 and includes all the…
$86.35

Consultations

A665 Prenatal consultation
A prenatal consultation is the service rendered by a paediatrician upon request of a physician or nurse practitioner who considers a fetus of greater than 20 weeks gestation to be…
$105.50
A662 Extended special paediatric consultation
A consultation in which the physician provides all the elements of a consultation (A265) and spends a minimum of 90 minutes in direct contact with the patient, exclusive of time…
$442.40
A667 Neurodevelopmental consultation
A consultation in which the physician provides all the elements of a consultation (A265) for an infant, child or adolescent with complex neurodevelopmental conditions (e.g.
$456.80

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 and includes all the requirements of a medical specific re-assessment. The physician must report his/her findings, opinions, or recommendations in writing to the patient’s primary care physician or the amount payable for the service will be adjusted to a lesser assessment fee.

Must include all requirements of a medical specific re-assessment (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.

Usage limits

Limited to 4 per patient per physician per 12 month period.

A263Medical specific assessment A264Medical specific re-assessment E078Chronic disease assessment premium

A661 is specifically listed under the Paediatrics (26) section of the Schedule.

The fee for A661 is $86.35.

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