L3595 — Orthopedic shoe addition, march bar
L3595 is a HCPCS Level II code for orthopedic shoe addition, march bar. 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 L3595 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
- 2 units MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
- DME supplier
- 2 units MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
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 L3595
- Long descriptor
- Orthopedic shoe addition, march bar
- Short descriptor
- Ortho shoe add march bar
- Added
- January 1, 1986
- BETOS
- D1F
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to L3595
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L3595 is not quite right, the correct code is very often within a few positions of it.
- L3520Orthopedic shoe addition, insole, felt covered with leather
- L3530Orthopedic shoe addition, sole, half
- L3540Orthopedic shoe addition, sole, full
- L3550Orthopedic shoe addition, toe tap standard
- L3560Orthopedic shoe addition, toe tap, horseshoe
- L3570Orthopedic shoe addition, special extension to instep (leather with eyelets)
- L3580Orthopedic shoe addition, convert instep to velcro closure
- L3590Orthopedic shoe addition, convert firm shoe counter to soft counter
- L3600Transfer of an orthosis from one shoe to another, caliper plate, existing
- L3610Transfer of an orthosis from one shoe to another, caliper plate, new
- L3620Transfer of an orthosis from one shoe to another, solid stirrup, existing
- L3630Transfer of an orthosis from one shoe to another, solid stirrup, new
- L3640Transfer of an orthosis from one shoe to another, dennis browne splint (riveton), both shoes
- L3649Orthopedic shoe, modification, addition or transfer, not otherwise specified
- L3650Shoulder orthosis, figure of eight design abduction restrainer, prefabricated, off-the-shelf
- L3660Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf
Questions about L3595
What is HCPCS code L3595?
L3595 is a HCPCS Level II code for orthopedic shoe addition, march bar. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L3595?
The CMS HCPCS file marks L3595 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.