Billing code
G497A — Glucagon Test - Insulin Hypoglycemia Pituitary Function Test With Or Without Trh And Lhrh Alone Or In Combination
Insulin tolerance pituitary test
Bill G497 for an insulin hypoglycemia test of pituitary function, with or without TRH and LHRH.
Watch for: When TRH or LHRH is part of this test, bill G497, not G501; add G700 only when it is the visit's sole reason.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $49.80 | $0.00 | $0.00 | $0.00 | $0.00 |
- Code
- G497A
- Description
- Glucagon Test - Insulin Hypoglycemia Pituitary Function Test With Or Without Trh And Lhrh Alone Or In Combination
- 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
Insulin hypoglycemia (insulin tolerance) test of pituitary function, with or without TRH and LHRH.
What it covers
G497 is an insulin hypoglycemia pituitary function test, with or without TRH and LHRH, alone or in combination (J41).
TRH or LHRH tests done on their own are G501, per injection (J43).
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: G501, G493, G358, G700
Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Endocrinology and Metabolism, page J41; preamble J3.
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