What are the billing rules for A236A?

A new written, signed referral is required (GP19, GP16). Another physician must have provided care between the first consultation and the repeat consultation (GP19). Repeat consultations don't count toward the consultation limits (GP18). If the repeat-consultation requirements aren't met, it pays as a specific assessment (GP17–GP18).

What is A236A often billed with?

A230 orthoptic assessment (A156).

Why is A236A rejected?

ARF: The claim is missing the referring provider's number. A consultation needs a written request that names the referring physician or nurse practitioner and their billing number (GP16). AT2: Must include video modality: A236 is video-only and can't be billed by telephone (AJ2).

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Billing code

A236A — Ophthalmology repeat consultation

Q: What is OHIP billing code A236A?

Repeat consultation by the same ophthalmologist for the same problem after another physician has cared for the patient in between. Needs a new referral.

Ophthalmology repeat consultation

An ophthalmologist bills A236 for another consultation on the same problem after another physician cared for the patient in between.

Watch for: Needs a new written referral with the referrer's billing number on the claim; virtually, by video only, not telephone.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$0.00	$48.00	$0.00	$0.00	$0.00

Code: A236A
Description: Ophthalmology repeat consultation
FHO+ basket: Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date: Apr 1, 2026
Termination date: No end date

Explanation

Updated October 26, 2026

Repeat consultation by the same ophthalmologist for the same problem after another physician has cared for the patient in between. Needs a new referral.

What it covers

A repeat consultation is an additional consultation by the same consultant for the same presenting problem, after another physician has cared for the patient in the interval since the first consultation (GP19).

It has the same requirements as a consultation, including a new written request from the referring physician or nurse practitioner (GP19).

Billing rules

A new written, signed referral is required (GP19, GP16).
Another physician must have provided care between the first consultation and the repeat consultation (GP19).
Repeat consultations don't count toward the consultation limits (GP18). If the repeat-consultation requirements aren't met, it pays as a specific assessment (GP17–GP18).
Age premiums for patients under 16 apply to repeat consultations by specialists (GP64).
Video only, with an existing relationship; add K300A (AJ2, A70).
Detention (K001) may start after 60 minutes (GP30).

Often billed with

A230 orthoptic assessment (A156).

Common rejections

ARF: The claim is missing the referring provider's number. A consultation needs a written request that names the referring physician or nurse practitioner and their billing number (GP16).
AT2: Must include video modality: A236 is video-only and can't be billed by telephone (AJ2).

Related codes: A235, A935, C236, W536, A233, A234

Source: Schedule of Benefits (July 1, 2026), Consultations and Visits, Ophthalmology (23), page A154.

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