A4540 HCPCS Level II code: Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm
A4540 is the HCPCS code for “Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4540Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm
Short description: Trans elec nerv periph nerv
HCPCS · United States
Medicare details
The indicators CMS publishes with A4540 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Non-covered by Medicare statute
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Other medical items or services
- BETOS category
- Undefined codes
- Coverage statute
- 1861(n)
- Added
- Jan 1, 2024
Where A4540 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4540Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A4540 mean?
A4540 is the HCPCS code for “Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4540?
CMS lists A4540’s Medicare coverage as “Non-covered by Medicare statute” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A4540
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