A4558 HCPCS Level II code: Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz
A4558 is the HCPCS code for “Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4558Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz
Short description: Conductive gel or paste
HCPCS · United States
Medicare details
The indicators CMS publishes with A4558 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, 1985
Where A4558 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4558Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz
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 A4558 mean?
A4558 is the HCPCS code for “Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4558?
CMS lists A4558’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 A4558
All A codesA4550Surgical traysA4553Non-disposable underpads, all sizesA4554Disposable underpads, all sizesA4555Electrode/transducer for use with electrical stimulation device used for cancer treatment, replacement onlyA4556Electrodes, (e.g., apnea monitor), per pairA4557Lead wires, (e.g., apnea monitor), per pairA4559Coupling gel or paste, for use with ultrasound device, per ozA4560Neuromuscular electrical stimulator (nmes), disposable, replacement onlyA4561Pessary, reusable, rubber, any typeA4562Pessary, reusable, non rubber, any typeA4563Rectal control system for vaginal insertion, for long term use, includes pump and all supplies and accessories, any type eachA4564Pessary, disposable, any type