L8485 — Prosthetic sock, single ply, fitting, upper limb, each
L8485 is a HCPCS Level II code for prosthetic sock, single ply, fitting, upper limb, each. It belongs to the Orthotic and Prosthetic Procedures and Devices section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Medically Unlikely Edits — units per day
The most units of L8485 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 12 units MAI 3 — Date of Service Edit: Clinical · Clinical: CMS Workgroup
- DME supplier
- 12 units MAI 3 — Date of Service Edit: Clinical · Clinical: Data
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for L8485
- Long descriptor
- Prosthetic sock, single ply, fitting, upper limb, each
- Short descriptor
- Pros sock single ply upper l
- Added
- January 1, 1994
- BETOS
- D1F
- Pricing indicator
- 38 — DMEPOS
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Orthotics, prosthetics, prosthetic devices and vision services. Price subject to floors and ceilings.
Codes adjacent to L8485
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L8485 is not quite right, the correct code is very often within a few positions of it.
- L8420Prosthetic sock, multiple ply, below knee, each
- L8430Prosthetic sock, multiple ply, above knee, each
- L8435Prosthetic sock, multiple ply, upper limb, each
- L8440Prosthetic shrinker, below knee, each
- L8460Prosthetic shrinker, above knee, each
- L8465Prosthetic shrinker, upper limb, each
- L8470Prosthetic sock, single ply, fitting, below knee, each
- L8480Prosthetic sock, single ply, fitting, above knee, each
- L8499Unlisted procedure for miscellaneous prosthetic services
- L8500Artificial larynx, any type
- L8501Tracheostomy speaking valve
- L8505Artificial larynx replacement battery / accessory, any type
- L8507Tracheo-esophageal voice prosthesis, patient inserted, any type, each
- L8509Tracheo-esophageal voice prosthesis, inserted by a licensed health care provider, any type
- L8510Voice amplifier
- L8511Insert for indwelling tracheoesophageal prosthesis, with or without valve, replacement only, each
Questions about L8485
What is HCPCS code L8485?
L8485 is a HCPCS Level II code for prosthetic sock, single ply, fitting, upper limb, each. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L8485?
The CMS HCPCS file marks L8485 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.