L3140 — Foot, abduction rotation bar, including shoes
L3140 is a HCPCS Level II code for foot, abduction rotation bar, including shoes. 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 L3140 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
- 1 unit MAI 2 — Date of Service Edit: Policy · Code Descriptor / CPT Instruction
- DME supplier
- 1 unit MAI 2 — Date of Service Edit: Policy · Code Descriptor / CPT Instruction
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 L3140
- Long descriptor
- Foot, abduction rotation bar, including shoes
- Short descriptor
- Abduction rotation bar shoe
- Added
- January 1, 1982
- 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 L3140
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L3140 is not quite right, the correct code is very often within a few positions of it.
- L3031Foot, insert/plate, removable, addition to lower extremity orthosis, high strength, lightweight material, all hybrid lamination/prepreg composite, each
- L3040Foot, arch support, removable, premolded, longitudinal, each
- L3050Foot, arch support, removable, premolded, metatarsal, each
- L3060Foot, arch support, removable, premolded, longitudinal/ metatarsal, each
- L3070Foot, arch support, non-removable attached to shoe, longitudinal, each
- L3080Foot, arch support, non-removable attached to shoe, metatarsal, each
- L3090Foot, arch support, non-removable attached to shoe, longitudinal/metatarsal, each
- L3100Hallus-valgus night dynamic splint, prefabricated, off-the-shelf
- L3150Foot, abduction rotation bar, without shoes
- L3160Foot, adjustable shoe-styled positioning device
- L3161Foot, adductus positioning device, adjustable
- L3170Foot, plastic, silicone or equal, heel stabilizer, prefabricated, off-the-shelf, each
- L3201Orthopedic shoe, oxford with supinator or pronator, infant
- L3202Orthopedic shoe, oxford with supinator or pronator, child
- L3203Orthopedic shoe, oxford with supinator or pronator, junior
- L3204Orthopedic shoe, hightop with supinator or pronator, infant
Questions about L3140
What is HCPCS code L3140?
L3140 is a HCPCS Level II code for foot, abduction rotation bar, including shoes. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L3140?
The CMS HCPCS file marks L3140 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.