What is OHIP billing code C621?

C621 is "Complex medical specific re-assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does C621 pay?

The current OHIP fee for C621 is $83.40, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill C621 to OHIP?

C621 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates C621 claims against the Schedule of Benefits rules before submission.

What codes are related to C621?

Codes related to C621 in the Schedule of Benefits include A621, A623, A624, A625, A626, A765, A525, C625.

All codes

C621

C621 – 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 C62x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

C624 Medical specific re-assessment
C624 is a medical specific re-assessment rendered by a Clinical Immunology specialist (specialty 62) for a non-emergency hospital in-patient.
$72.00
C621 Complex medical specific re-assessment(this code)
A complex medical specific re-assessment is a service rendered to a non-emergency hospital in-patient by a Clinical Immunology specialist.
$83.40
C623 Medical specific assessment
A medical specific assessment rendered by a Clinical Immunology specialist (specialty 62) for a non-emergency hospital in-patient.
$95.95

Consultations

C626 Repeat consultation
A repeat consultation is an additional consultation rendered by the same consultant for the same presenting problem, following care rendered to the patient by another physician in…
$105.25
C625 Consultation
A consultation rendered by a Clinical Immunology (62) specialist for a non-emergency hospital in-patient.
$160.30

A complex medical specific re-assessment is a service rendered to a non-emergency hospital in-patient by a Clinical Immunology specialist. The service is for the 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 involves a full, relevant history and physical examination of one or more systems. A key requirement for payment is that the physician must report their findings, opinions, or recommendations in writing to the patient's primary care physician. If this report is not provided, the amount payable for the service will be adjusted to a lesser assessment fee. This service is also subject to the specific elements of all assessments as defined in of the Schedule.

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.

A621 A623 A624 A625 A626 A765 A525 C625 C765 C525 C626 C623 C624 C622 C627 C629 E078 A628 C122 C123 C124 C126

For Services not listed, refer to Internal Medicine Section.

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