What is OHIP billing code A590?

A590 is "Comprehensive rheumatology consultation", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A590 pay?

The current OHIP fee for A590 is $342.25, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill A590 to OHIP?

A590 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A590 claims against the Schedule of Benefits rules before submission.

What codes are related to A590?

Codes related to A590 in the Schedule of Benefits include A485, A595, A480.

All codes

A590

A590 – Comprehensive rheumatology consultation

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

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Levels of this visit

The A59x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

A595 Limited consultation
A limited consultation is a consultation which is less demanding and, in terms of time, normally requires substantially less of the physician’s time than the full consultation.
$124.50
A590 Comprehensive rheumatology consultation(this code)
A consultation rendered by a specialist in rheumatology who provides all the appropriate elements of a consultation and spends a minimum of seventy-five (75) minutes of direct…
$342.25

A consultation rendered by a specialist in rheumatology who provides all the appropriate elements of a consultation and spends a minimum of seventy-five (75) minutes of direct contact with the patient, exclusive of time spent rendering any other separately billable intervention.

Referral requiredFrom: Physician, NursePractitioner, DentalSurgeon

Must satisfy all elements of a consultation as defined in the General Preamble (), including a written request from a referring physician, nurse practitioner, or dental surgeon.

A written report (including findings, opinions, and recommendations) must be prepared and sent to the referring provider.

Requires a minimum of 75 minutes of direct contact with the patient.

The start and stop times of the consultation must be recorded in the patient's permanent medical record.

Time calculation excludes time devoted to any other service or procedure for which an amount is payable in addition to the consultation.

Time calculation excludes non-patient-facing time (e.g., reviewing charts, imaging, or documentation).

A copy of the written request for the consultation, signed by the referring physician, nurse practitioner or dental surgeon must be kept in the consulting physician’s medical record, except in the case of a consultation which occurs in a hospital, long-term care institution or multi-specialty clinic where common medical records are maintained. In such cases, the written request may be contained on the common medical record.

The request identifies the consultant by name and/or the specialty being consulted, the referring physician, nurse practitioner or dental surgeon by name and billing number, and identifies the patient by name and health number.

Usage limits

Limited to one service per two consecutive 12-month periods for the same diagnosis by the same consultant. For a clearly defined unrelated diagnosis, limited to one service every 12 months.

A485Rheumatology Consultation (Standard)A595Limited consultation A480Complex rheumatology assessment

A consultation or assessment service may be claimed for the initial evaluation. Subsequent ongoing management of complex disorders (e.g., systemic vasculitides, inflammatory myopathies) should be billed as A480.

Eligible for age-based fee premiums for patients under 16 years of age ().

Eligible for special visit premiums if the criteria for a non-elective visit are met ().

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