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Billing code

G194A — Urodynamic assessment add-on – with EMG

Urodynamics EMG add-on

Bill G194 as an add-on to complete multichannel urodynamics (G193) when EMG is also recorded.

Watch for: Bill it with a payable G193 for the same patient and day, or OHIP rejects it.

Code

G194A

Description

Urodynamic assessment add-on – with EMG

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

Add-on to complete multichannel urodynamic assessment (G193) when EMG is also recorded.

What it covers

G194 is an add-on for EMG done with the complete multichannel urodynamic assessment, G193 (J115).

Billing rules

• Listed as an add-on directly under G193 (J115).
• Residual urine by ultrasound (G900) is not payable in addition to G192–G194 (J115).

Often billed with

• G193 complete multichannel urodynamic assessment (J115).

Common rejections

• ADF: OHIP describes this as 'Corresponding procedure invalid, omitted or paid at zero': G194 was billed without a payable G193 for the same patient and day (J115).

Related codes: G193, G192, G475, G477

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Urology, page J115.

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