A6540: Percutaneous carpal tunnel decompression
Percutaneous carpal tunnel decompression +/- image guidance – unilateral
For guidance only. Always check the code and obtain authorisation from your insurer before treatment. Other insurers may use different codes and coding rules.
Also known as
For guidance only. Procedure codes and descriptions on this site are provided for general guidance only and are not a guarantee of insurance cover or payment. Always check the correct code with your surgeon's secretary and obtain authorisation from your insurer before treatment. Insurers shown are examples only. Other insurers are available, and each may use the same, similar or different codes and coding rules.
Insurer listing
| Insurer | Status | Notes |
|---|---|---|
| Bupa | Not listed | Not on the Bupa procedure list |
| AXA Health | Not listed | Not on the AXA Health procedure list |
| Vitality | Not listed | Not on the Vitality procedure list |
| WPA | Not listed | Not on the WPA procedure list |
Codes that can't be billed with A6540
Neither code can be billed with the other
- A6510: Carpal tunnel release (open)
- A6530: Carpal tunnel release (endoscopic)
- A6570: Carpal tunnel release (endoscopic) - bilateral
- A6580: Carpal tunnel release (open) - bilateral
- A6600: Release of entrapment of deeply placed peripheral nerve
- A6700: Release of entrapment of peripheral nerve
- A6740: Cubital tunnel release (endoscopic) (without transposition)
- A6750: Cubital tunnel release (endoscopic) bilateral (without transposition)
- A7310: Biopsy of peripheral nerve
- T6982: Tenolysis of flexor tendon of hand
Related codes
- A6580: Carpal tunnel release (open) - bilateral
- A6570: Carpal tunnel release (endoscopic) - bilateral
- A6530: Carpal tunnel release (endoscopic)
- A6510: Carpal tunnel release (open)
- A6750: Cubital tunnel release (endoscopic) bilateral (without transposition)
- A6740: Cubital tunnel release (endoscopic) (without transposition)
Frequently asked questions
What is the procedure code for percutaneous carpal tunnel decompression?
The procedure code is A6540: Percutaneous carpal tunnel decompression +/- image guidance – unilateral.
Which insurers list A6540?
It is not on the Bupa, AXA Health, Vitality and WPA procedure lists. Always confirm the code and cover with your insurer.
Can A6540 be billed with other procedures?
The coding rules say A6540 cannot be billed together with 10 other codes, including A6510 (Carpal tunnel release (open)), A6530 (Carpal tunnel release (endoscopic)), A6570 (Carpal tunnel release (endoscopic) - bilateral). See the full list above.
What does my procedure code mean?
For guidance only. Procedure codes and descriptions on this site are provided for general guidance only and are not a guarantee of insurance cover or payment. Always check the correct code with your surgeon's secretary and obtain authorisation from your insurer before treatment. Insurers shown are examples only. Other insurers are available, and each may use the same, similar or different codes and coding rules.
Codes and descriptions are for guidance only. Insurer listing and cover information is taken from each insurer's published schedule and is for guidance only: always confirm the code and cover with the insurer before treatment. This site is not affiliated with CCSD or any insurer. No fees are shown.
Last checked: 2026-10-01