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Billing code

G494A — Glucagon Test - (type A) For Carbohydrate Response

Glucagon test, carbohydrate response

Bill G494 for a Type A glucagon test measuring carbohydrate response.

Watch for: Use G495 for the Type B provocative test; add G700 only when the test is the sole reason for the visit, outside hospital.

ProviderSpecialistAssistantAnaesthetistNon-anaesthetist
$10.20$0.00$0.00$0.00$0.00
Code
G494A
Description
Glucagon Test - (type A) For Carbohydrate Response
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

Glucagon test (Type A) to measure carbohydrate response.

What it covers

G494 is a glucagon test, Type A, for carbohydrate response (J41).

The provocative glucagon test for hypertension, pheochromocytoma and insulinoma is Type B (G495) (J41).

Billing rules

  • Payable in addition to a consultation or assessment unless listed as included (J3).
  • Includes preparing the patient, doing the test with monitoring afterwards, interpreting results with a written report to the referring provider where appropriate, and follow-up arrangements (J3).
  • Marked (+): when the test is the sole reason for the visit, add G700 once per visit. G700 is not payable in hospital, and not when you are also paid a consultation or assessment that day and have a financial interest in the facility (J3).
  • For a patient enrolled with a capitation-based group, G700 pays 15% of its fee (J3).

Often billed with

  • G700 basic fee-per-visit premium when the test is the only reason for the visit, outside hospital (J3).

Related codes: G495, G498, G499, G700

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Endocrinology and Metabolism, page J41; preamble J3.

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