A4542 HCPCS Level II code: Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wrist
A4542 is the HCPCS code for “Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wrist” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4542Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wrist
Short description: Supp ext up limb tremor stim
HCPCS · United States
Medicare details
The indicators CMS publishes with A4542 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- DMEPOS fee schedule – DME supplies (price subject to floors and ceilings)
- Type of service
- Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other DME
- Added
- Jan 1, 2024
Where A4542 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4542Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wrist
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 A4542 mean?
A4542 is the HCPCS code for “Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wrist” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4542?
CMS lists A4542’s Medicare coverage as “Carrier judgment” and its pricing as “DMEPOS fee schedule – DME supplies (price subject to floors and ceilings)”. 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 A4542
All A codesA4495Surgical stockings thigh length, eachA4500Surgical stockings below knee length, eachA4510Surgical stockings full length, eachA4520Incontinence garment, any type, (e.g., brief, diaper), eachA4540Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper armA4541Monthly supplies for use of device coded at e0733A4543Supplies for transcutaneous electrical nerve stimulator, for nerves in the auricular region, per monthA4544Electrode for external lower extremity nerve stimulator for restless legs syndromeA4545Supplies and accessories for external tibial nerve stimulator (e.g., socks, gel pads, electrodes, etc.), needed for one monthA4550Surgical traysA4553Non-disposable underpads, all sizesA4554Disposable underpads, all sizes