L2188 — Addition to lower extremity fracture orthosis, quadrilateral brim
L2188 is a HCPCS Level II code for addition to lower extremity fracture orthosis, quadrilateral brim. 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 L2188 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 L2188
- Long descriptor
- Addition to lower extremity fracture orthosis, quadrilateral brim
- Short descriptor
- Quadrilateral brim
- Added
- January 1, 1988
- 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 L2188
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L2188 is not quite right, the correct code is very often within a few positions of it.
- 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
- L2134Kafo, fracture orthosis, femoral fracture cast orthosis, semi-rigid, prefabricated, includes fitting and adjustment
- L2136Kafo, fracture orthosis, femoral fracture cast orthosis, rigid, prefabricated, includes fitting and adjustment
- L2180Addition to lower extremity fracture orthosis, plastic shoe insert with ankle joints
- L2182Addition to lower extremity fracture orthosis, drop lock knee joint
- L2184Addition to lower extremity fracture orthosis, limited motion knee joint
- L2186Addition to lower extremity fracture orthosis, adjustable motion knee joint, lerman type
- L2190Addition to lower extremity fracture orthosis, waist belt
- L2192Addition to lower extremity fracture orthosis, hip joint, pelvic band, thigh flange, and pelvic belt
- L2200Addition to lower extremity, limited ankle motion, each joint
- L2210Addition to lower extremity, dorsiflexion assist (plantar flexion resist), each joint
- L2220Addition to lower extremity, dorsiflexion and plantar flexion assist/resist, each joint
- L2221Addition to lower extremity orthosis, ankle system, microprocessor-controlled feature plantarflexion and/or dorsiflexion, includes power source
- L2230Addition to lower extremity, split flat caliper stirrups and plate attachment
- L2232Addition to lower extremity orthosis, rocker bottom for total contact ankle foot orthosis, for custom fabricated orthosis only
Questions about L2188
What is HCPCS code L2188?
L2188 is a HCPCS Level II code for addition to lower extremity fracture orthosis, quadrilateral brim. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L2188?
The CMS HCPCS file marks L2188 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.