A4540 – Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm

HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental

Active code Non-covered by Medicare statute

HCPCS codeA4540
Long description
Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm
Short description
Trans elec nerv periph nerv
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
S Non-covered by Medicare statute
BETOS category
Z2 Undefined codes
Added
January 1, 2024
Last change
January 1, 2024 – No change

Frequently asked questions

What is HCPCS code A4540?

A4540 is a HCPCS Level II code for distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper arm.

Does Medicare cover A4540?

The HCPCS file lists coverage code S: Non-covered by Medicare statute. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby A codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.