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Billing code

G440A — Pure tone audiometry – technical component

Hearing test, technical part

Bill G440 for performing pure tone threshold audiometry, with or without bone conduction; interpretation is G525.

Watch for: Pays nil unless done by a qualified physician or eligible delegate, with written records of qualifications kept.

Code

G440A

Description

Pure tone audiometry – technical component

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

Technical component of pure tone threshold audiometry, with or without bone conduction.

What it covers

G440 is the technical component of pure tone threshold audiometry, with or without bone conduction (J99). It is a basic diagnostic hearing test.

The professional component is G525. When speech reception or discrimination testing is added, use G441/G526 (J99).

Billing rules

• Basic hearing tests pay nil unless the technical component is done by a qualified physician, or delegated to the physician's qualified employee or to a CASLPO audiologist employed by a public hospital (J98).
• Delegated technical work must meet the General Preamble delegation rules (GP62, J98).
• Keep written records of your qualifications and those of staff you delegate to; without them the test pays nil (J98).
• Technical component in hospital is paid at 86.10% of the listed fee, and is never payable for in-patients (GP11).
• Fixed-level screening audiometry, and tests requested or arranged by third parties (school boards, employers, WSIB), are not insured (J98).

Often billed with

• G525 professional component (J99).

Related codes: G525, G441, G526, G442

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Otolaryngology, page J99; diagnostic hearing test rules J98.

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