What are the billing rules for G581A?

Payable only at a facility with echocardiography accreditation (or provisional recognition) from an MOH-approved body, such as Accreditation Canada Diagnostics (J20). You must have Level III or Level II echocardiography training, or interpret at least 400 echo/Doppler studies a year in an established lab plus 24 hours of relevant CME over two years; keep proof for the MOH (J20). Must be for an indication in the CorHealth Standards for Provision of Echocardiography in Ontario in effect on the service date (J20).

What is G581A often billed with?

G580 insertion of oesophageal transducer (J25). G579 saline study (J25).

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Billing code

G581A — Transoesophageal Echocardiography - Professional Component

Q: What is OHIP billing code G581A?

Professional component of a transoesophageal echocardiogram (TEE).

TEE interpretation

Bill G581 for personally interpreting a transoesophageal echocardiogram; transducer insertion is billed separately as G580.

Watch for: Requires an accredited facility, your echo training and a CorHealth indication, except for peri-operative TEE.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$25.00	$0.00	$0.00	$0.00	$0.00

Code: G581A
Description: Transoesophageal Echocardiography - Professional Component
FHO+ basket: Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date: Apr 1, 2025
Termination date: No end date

Explanation

Updated October 26, 2026

Professional component of a transoesophageal echocardiogram (TEE).

What it covers

G581 is the professional component of transoesophageal echocardiography (J24).

Insertion of the oesophageal transducer is billed separately as G580 (J25).

Billing rules

Payable only at a facility with echocardiography accreditation (or provisional recognition) from an MOH-approved body, such as Accreditation Canada Diagnostics (J20).
You must have Level III or Level II echocardiography training, or interpret at least 400 echo/Doppler studies a year in an established lab plus 24 hours of relevant CME over two years; keep proof for the MOH (J20).
Must be for an indication in the CorHealth Standards for Provision of Echocardiography in Ontario in effect on the service date (J20).
Peri-operative TEE (immediately before, during or after surgery, including ICU) is exempt from the accreditation, training and indication rules (J20).
Not payable for routine pre-operative preparation or screening unless there is another clinical indication (J20).
You must personally interpret the results to bill the professional component (J1).

Often billed with

G580 insertion of oesophageal transducer (J25).
G579 saline study (J25).

Related codes: G580, G579, G570, G571

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Echocardiography, page J24; preamble J20.

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