A4558 – Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz

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

Active code Carrier judgment

HCPCS codeA4558
Long description
Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz
Short description
Conductive gel or paste
Pricing indicator
34 DME supplies
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
D1E Other DME
Added
January 1, 1985
Last change
January 1, 2007 – No change

Frequently asked questions

What is HCPCS code A4558?

A4558 is a HCPCS Level II code for conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz.

Does Medicare cover A4558?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. 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.