What is OHIP billing code A284?

A284 is "Partial assessment", an OHIP Consultations and Visits code from the Ontario Schedule of Benefits (Physician Services).

How much does A284 pay?

The current OHIP fee for A284 is $38.85, effective 2025-06-01, per the Ontario Schedule of Benefits.

How do I bill A284 to OHIP?

A284 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates A284 claims against the Schedule of Benefits rules before submission.

What codes are related to A284?

Codes related to A284 in the Schedule of Benefits include A285, A286, A283, A586.

All codes

A284

A284 – Partial assessment

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

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Levels of this visit

The A28x codes in this part of the Schedule of Benefits, lowest fee first. Bill the level the history and examination support.

Assessments

A284 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…
$38.85
A283 Medical specific assessment
A service rendered by a specialist in Laboratory Medicine requiring a full history of the presenting complaint and a detailed examination of the affected part(s), region(s), or…
$82.50

Consultations

A286 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.
$108.95
A285 Consultation
A consultation is an assessment rendered following a written request from a referring physician, nurse practitioner, or dental surgeon (for hospital-based insured dental…
$163.00

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. This code is specifically listed under the Laboratory Medicine specialty section.

History of the presenting complaint.

Necessary physical examination.

Advice to the patient.

Appropriate medical record.

Must include a direct physical encounter with the patient (unless billed as virtual care A284A).

Usage limits

While no specific frequency limit is listed for A284, it is often the 'lesser assessment fee' to which other assessments (like General or Specific Assessments) are adjusted when their individual limits are exceeded.

A285Consultation (Laboratory Medicine)A286Limited consultation (Laboratory Medicine)A283Medical specific assessment (Laboratory Medicine)A586Repeat consultation (Laboratory Medicine)

A284 is the standard partial assessment code for Laboratory Medicine specialists when seeing patients in an out-patient or office setting.

For in-patient services, Laboratory Medicine specialists use C-prefix codes (though a specific C284 is not listed, they use C283 or C288 as appropriate).

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