A4556 HCPCS Level II code: Electrodes, (e.g., apnea monitor), per pair
A4556 is the HCPCS code for “Electrodes, (e.g., apnea monitor), per pair” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4556Electrodes, (e.g., apnea monitor), per pair
Short description: Electrodes, pair
HCPCS · United States
Medicare details
The indicators CMS publishes with A4556 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, 1984
Where A4556 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4556Electrodes, (e.g., apnea monitor), per pair
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 A4556 mean?
A4556 is the HCPCS code for “Electrodes, (e.g., apnea monitor), per pair” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4556?
CMS lists A4556’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 A4556
All A codesA4544Electrode 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 sizesA4555Electrode/transducer for use with electrical stimulation device used for cancer treatment, replacement onlyA4557Lead wires, (e.g., apnea monitor), per pairA4558Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per ozA4559Coupling gel or paste, for use with ultrasound device, per ozA4560Neuromuscular electrical stimulator (nmes), disposable, replacement onlyA4561Pessary, reusable, rubber, any typeA4562Pessary, reusable, non rubber, any type