L2090 — Hip knee ankle foot orthosis, torsion control, unilateral torsion cable, ball bearing hip joint, pelvic band/ belt, custom fabricated
L2090 is a HCPCS Level II code for hip knee ankle foot orthosis, torsion control, unilateral torsion cable, ball bearing hip joint, pelvic band/ belt, custom fabricated. It belongs to the Orthotic and Prosthetic Procedures and Devices section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
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 L2090 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 L2090
- Long descriptor
- Hip knee ankle foot orthosis, torsion control, unilateral torsion cable, ball bearing hip joint, pelvic band/ belt, custom fabricated
- Short descriptor
- Hkafo unilat torsion ball br
- Added
- January 1, 1984
- 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 L2090
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L2090 is not quite right, the correct code is very often within a few positions of it.
- L2036Knee ankle foot orthosis, full plastic, double upright, with or without free motion knee, with or without free motion ankle, custom fabricated
- L2037Knee ankle foot orthosis, full plastic, single upright, with or without free motion knee, with or without free motion ankle, custom fabricated
- L2038Knee ankle foot orthosis, full plastic, with or without free motion knee, multi-axis ankle, custom fabricated
- L2040Hip knee ankle foot orthosis, torsion control, bilateral rotation straps, pelvic band/belt, custom fabricated
- L2050Hip knee ankle foot orthosis, torsion control, bilateral torsion cables, hip joint, pelvic band/belt, custom fabricated
- L2060Hip knee ankle foot orthosis, torsion control, bilateral torsion cables, ball bearing hip joint, pelvic band/ belt, custom fabricated
- L2070Hip knee ankle foot orthosis, torsion control, unilateral rotation straps, pelvic band/belt, custom fabricated
- L2080Hip knee ankle foot orthosis, torsion control, unilateral torsion cable, hip joint, pelvic band/belt, custom fabricated
- L2106Ankle foot orthosis, fracture orthosis, tibial fracture cast orthosis, thermoplastic type casting material, custom fabricated
- L2108Ankle foot orthosis, fracture orthosis, tibial fracture cast orthosis, custom fabricated
- L2112Ankle foot orthosis, fracture orthosis, tibial fracture orthosis, soft, prefabricated, includes fitting and adjustment
- L2114Ankle foot orthosis, fracture orthosis, tibial fracture orthosis, semi-rigid, prefabricated, includes fitting and adjustment
- L2116Ankle foot orthosis, fracture orthosis, tibial fracture orthosis, rigid, prefabricated, includes fitting and adjustment
- L2126Knee ankle foot orthosis, fracture orthosis, femoral fracture cast orthosis, thermoplastic type casting material, custom fabricated
- L2128Knee ankle foot orthosis, fracture orthosis, femoral fracture cast orthosis, custom fabricated
- L2132Kafo, fracture orthosis, femoral fracture cast orthosis, soft, prefabricated, includes fitting and adjustment
Questions about L2090
What is HCPCS code L2090?
L2090 is a HCPCS Level II code for hip knee ankle foot orthosis, torsion control, unilateral torsion cable, ball bearing hip joint, pelvic band/ belt, custom fabricated. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L2090?
The CMS HCPCS file marks L2090 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.