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Billing code

G353A — Esophageal provocation testing

Oesophageal provocation testing

Bill G353 for oesophageal provocation testing, such as acid perfusion, provocative drugs, rapid swallows, rapid drink or solid bolus swallows.

Watch for: Only payable when at least one of the listed provocation tests is actually done.

Code

G353A

Description

Esophageal provocation testing

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

Esophageal provocation testing, such as acid perfusion or rapid swallow challenges, billed as the professional component.

What it covers

G353 is esophageal provocation testing, under oesophageal studies (J44).

It is only payable when one or more of these are done: acid perfusion testing, provocative drug testing, multiple rapid swallows, rapid drink challenge, or solid bolus swallows (J44).

Billing rules

• Only payable when at least one of: acid perfusion testing, provocative drug testing, multiple rapid swallows, rapid drink challenge, solid bolus swallows (J44).
• Professional component: supervision, any associated clinical procedure, monitoring and interpretation; interpretation must be done personally by the billing physician (J1).

Often billed with

• G350 esophageal motility study (J44).

Related codes: G350, G351, G354

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Gastroenterology, page J44.

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