L4020 – Replace quadrilateral socket brim, molded to patient model
HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices
HCPCS codeL4020
- Long description
- Replace quadrilateral socket brim, molded to patient model
- Short description
- Replace quadlat socket brim
- Pricing indicator
38Orthotics, prosthetics, prosthetic devices & vision services- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 1985
- Last change
- January 1, 1996 – No change
Frequently asked questions
What is HCPCS code L4020?
L4020 is a HCPCS Level II code for replace quadrilateral socket brim, molded to patient model.
Does Medicare cover L4020?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby L codes
- L3981 – Upper extremity fracture orthosis, humeral, prefabricated, includes shoulder cap design, with or without joints, forearm section, may include soft interface, straps, includes fitting and adjustments
- L3982 – Upper extremity fracture orthosis, radius/ulnar, prefabricated, includes fitting and adjustment
- L3984 – Upper extremity fracture orthosis, wrist, prefabricated, includes fitting and adjustment
- L3995 – Addition to upper extremity orthosis, sock, fracture or equal, each
- L3999 – Upper limb orthosis, not otherwise specified
- L4000 – Replace girdle for spinal orthosis (ctlso or so)
- L4002 – Replacement strap, any orthosis, includes all components, any length, any type
- L4010 – Replace trilateral socket brim
- L4030 – Replace quadrilateral socket brim, custom fitted
- L4040 – Replace molded thigh lacer, for custom fabricated orthosis only
- L4045 – Replace non-molded thigh lacer, for custom fabricated orthosis only
- L4050 – Replace molded calf lacer, for custom fabricated orthosis only
- L4055 – Replace non-molded calf lacer, for custom fabricated orthosis only
- L4060 – Replace high roll cuff
- L4070 – Replace proximal and distal upright for kafo
- L4080 – Replace metal bands kafo, proximal thigh
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.