HCPCS L-codes — Orthotics & prosthetics
L-codes span orthotics and prosthetics — spinal and knee orthoses, ankle-foot orthoses, and lower-limb prosthetic components. Several off-the-shelf and custom-fabricated orthoses now require Medicare prior authorization.
933 active codes in the April 2026 HCPCS file. PA = on Medicare's required prior-authorization list · Fee schedule = April 2026 DMEPOS amounts published.
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| Code | Description | Flags |
|---|---|---|
| L5250 | Hip disarticulation, canadian type; molded socket, hip joint, single axis constant friction knee, shin, sach foot | Fee schedule |
| L5270 | Hip disarticulation, tilt table type; molded socket, locking hip joint, single axis constant friction knee, shin, sach foot | Fee schedule |
| L5280 | Hemipelvectomy, canadian type; molded socket, hip joint, single axis constant friction knee, shin, sach foot | Fee schedule |
| L5301 | Below knee, molded socket, shin, sach foot, endoskeletal system | Fee schedule |
| L5312 | Knee disarticulation (or through knee), molded socket, single axis knee, pylon, sach foot, endoskeletal system | Fee schedule |
| L5321 | Above knee, molded socket, open end, sach foot, endoskeletal system, single axis knee | Fee schedule |
| L5331 | Hip disarticulation, canadian type, molded socket, endoskeletal system, hip joint, single axis knee, sach foot | Fee schedule |
| L5341 | Hemipelvectomy, canadian type, molded socket, endoskeletal system, hip joint, single axis knee, sach foot | Fee schedule |
| L5400 | Immediate post surgical or early fitting, application of initial rigid dressing, including fitting, alignment, suspension, and one cast change, below knee | Fee schedule |
| L5410 | Immediate post surgical or early fitting, application of initial rigid dressing, including fitting, alignment and suspension, below knee, each additional cast change and realignment | Fee schedule |
| L5420 | Immediate post surgical or early fitting, application of initial rigid dressing, including fitting, alignment and suspension and one cast change 'ak' or knee disarticulation | Fee schedule |
| L5430 | Immediate post surgical or early fitting, application of initial rigid dressing, incl. fitting, alignment and supension, 'ak' or knee disarticulation, each additional cast change and realignment | Fee schedule |
| L5450 | Immediate post surgical or early fitting, application of non-weight bearing rigid dressing, below knee | Fee schedule |
| L5460 | Immediate post surgical or early fitting, application of non-weight bearing rigid dressing, above knee | Fee schedule |
| L5500 | Initial, below knee 'ptb' type socket, non-alignable system, pylon, no cover, sach foot, plaster socket, direct formed | Fee schedule |
| L5505 | Initial, above knee - knee disarticulation, ischial level socket, non-alignable system, pylon, no cover, sach foot, plaster socket, direct formed | Fee schedule |
| L5510 | Preparatory, below knee 'ptb' type socket, non-alignable system, pylon, no cover, sach foot, plaster socket, molded to model | Fee schedule |
| L5520 | Preparatory, below knee 'ptb' type socket, non-alignable system, pylon, no cover, sach foot, thermoplastic or equal, direct formed | Fee schedule |
| L5530 | Preparatory, below knee 'ptb' type socket, non-alignable system, pylon, no cover, sach foot, thermoplastic or equal, molded to model | Fee schedule |
| L5535 | Preparatory, below knee 'ptb' type socket, non-alignable system, no cover, sach foot, prefabricated, adjustable open end socket | Fee schedule |
| L5540 | Preparatory, below knee 'ptb' type socket, non-alignable system, pylon, no cover, sach foot, laminated socket, molded to model | Fee schedule |
| L5560 | Preparatory, above knee- knee disarticulation, ischial level socket, non-alignable system, pylon, no cover, sach foot, plaster socket, molded to model | Fee schedule |
| L5570 | Preparatory, above knee - knee disarticulation, ischial level socket, non-alignable system, pylon, no cover, sach foot, thermoplastic or equal, direct formed | Fee schedule |
| L5580 | Preparatory, above knee - knee disarticulation ischial level socket, non-alignable system, pylon, no cover, sach foot, thermoplastic or equal, molded to model | Fee schedule |
| L5585 | Preparatory, above knee - knee disarticulation, ischial level socket, non-alignable system, pylon, no cover, sach foot, prefabricated adjustable open end socket | Fee schedule |
| L5590 | Preparatory, above knee - knee disarticulation ischial level socket, non-alignable system, pylon no cover, sach foot, laminated socket, molded to model | Fee schedule |
| L5595 | Preparatory, hip disarticulation-hemipelvectomy, pylon, no cover, sach foot, thermoplastic or equal, molded to patient model | Fee schedule |
| L5600 | Preparatory, hip disarticulation-hemipelvectomy, pylon, no cover, sach foot, laminated socket, molded to patient model | Fee schedule |
| L5610 | Addition to lower extremity, endoskeletal system, above knee, hydracadence system | Fee schedule |
| L5611 | Addition to lower extremity, endoskeletal system, above knee - knee disarticulation, 4 bar linkage, with friction swing phase control | Fee schedule |
| L5613 | Addition to lower extremity, endoskeletal system, above knee-knee disarticulation, 4 bar linkage, with hydraulic swing phase control | Fee schedule |
| L5614 | Addition to lower extremity, exoskeletal system, above knee-knee disarticulation, 4 bar linkage, with pneumatic swing phase control | Fee schedule |
| L5615 | Addition, endoskeletal knee-shin system, 4 bar linkage or multiaxial, fluid swing and stance phase control | Fee schedule |
| L5616 | Addition to lower extremity, endoskeletal system, above knee, universal multiplex system, friction swing phase control | Fee schedule |
| L5617 | Addition to lower extremity, quick change self-aligning unit, above knee or below knee, each | Fee schedule |
| L5618 | Addition to lower extremity, test socket, symes | Fee schedule |
| L5620 | Addition to lower extremity, test socket, below knee | Fee schedule |
| L5622 | Addition to lower extremity, test socket, knee disarticulation | Fee schedule |
| L5624 | Addition to lower extremity, test socket, above knee | Fee schedule |
| L5626 | Addition to lower extremity, test socket, hip disarticulation | Fee schedule |
| L5628 | Addition to lower extremity, test socket, hemipelvectomy | Fee schedule |
| L5629 | Addition to lower extremity, below knee, acrylic socket | Fee schedule |
| L5630 | Addition to lower extremity, symes type, expandable wall socket | Fee schedule |
| L5631 | Addition to lower extremity, above knee or knee disarticulation, acrylic socket | Fee schedule |
| L5632 | Addition to lower extremity, symes type, 'ptb' brim design socket | Fee schedule |
| L5634 | Addition to lower extremity, symes type, posterior opening (canadian) socket | Fee schedule |
| L5636 | Addition to lower extremity, symes type, medial opening socket | Fee schedule |
| L5637 | Addition to lower extremity, below knee, total contact | Fee schedule |
| L5638 | Addition to lower extremity, below knee, leather socket | Fee schedule |
| L5639 | Addition to lower extremity, below knee, wood socket | Fee schedule |
| L5640 | Addition to lower extremity, knee disarticulation, leather socket | Fee schedule |
| L5642 | Addition to lower extremity, above knee, leather socket | Fee schedule |
| L5643 | Addition to lower extremity, hip disarticulation, flexible inner socket, external frame | Fee schedule |
| L5644 | Addition to lower extremity, above knee, wood socket | Fee schedule |
| L5645 | Addition to lower extremity, below knee, flexible inner socket, external frame | Fee schedule |
| L5646 | Addition to lower extremity, below knee, air, fluid, gel or equal, cushion socket | Fee schedule |
| L5647 | Addition to lower extremity, below knee suction socket | Fee schedule |
| L5648 | Addition to lower extremity, above knee, air, fluid, gel or equal, cushion socket | Fee schedule |
| L5649 | Addition to lower extremity, ischial containment/narrow m-l socket | Fee schedule |
| L5650 | Additions to lower extremity, total contact, above knee or knee disarticulation socket | Fee schedule |
| L5651 | Addition to lower extremity, above knee, flexible inner socket, external frame | Fee schedule |
| L5652 | Addition to lower extremity, suction suspension, above knee or knee disarticulation socket | Fee schedule |
| L5653 | Addition to lower extremity, knee disarticulation, expandable wall socket | Fee schedule |
| L5654 | Addition to lower extremity, socket insert, symes, (kemblo, pelite, aliplast, plastazote or equal) | Fee schedule |
| L5655 | Addition to lower extremity, socket insert, below knee (kemblo, pelite, aliplast, plastazote or equal) | Fee schedule |
| L5656 | Addition to lower extremity, socket insert, knee disarticulation (kemblo, pelite, aliplast, plastazote or equal) | Fee schedule |
| L5657 | Addition to lower extremity prosthesis, manual/automated adjustable air, fluid, gel or equal socket insert for limb volume management, any materials | Fee schedule |
| L5658 | Addition to lower extremity, socket insert, above knee (kemblo, pelite, aliplast, plastazote or equal) | Fee schedule |
| L5661 | Addition to lower extremity, socket insert, multi-durometer symes | Fee schedule |
| L5665 | Addition to lower extremity, socket insert, multi-durometer, below knee | Fee schedule |
| L5666 | Addition to lower extremity, below knee, cuff suspension | Fee schedule |
| L5668 | Addition to lower extremity, below knee, molded distal cushion | Fee schedule |
| L5670 | Addition to lower extremity, below knee, molded supracondylar suspension ('pts' or similar) | Fee schedule |
| L5671 | Addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert | Fee schedule |
| L5672 | Addition to lower extremity, below knee, removable medial brim suspension | Fee schedule |
| L5673 | Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, for use with locking mechanism | Fee schedule |
| L5676 | Additions to lower extremity, below knee, knee joints, single axis, pair | Fee schedule |
| L5677 | Additions to lower extremity, below knee, knee joints, polycentric, pair | Fee schedule |
| L5678 | Additions to lower extremity, below knee, joint covers, pair | Fee schedule |
| L5679 | Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism | Fee schedule |
| L5680 | Addition to lower extremity, below knee, thigh lacer, nonmolded | Fee schedule |
| L5681 | Addition to lower extremity, below knee/above knee, custom fabricated socket insert for congenital or atypical traumatic amputee, silicone gel, elastomeric or equal, for use with or without locking mechanism, initial only (for other than initial, use code l5673 or l5679) | Fee schedule |
| L5682 | Addition to lower extremity, below knee, thigh lacer, gluteal/ischial, molded | Fee schedule |
| L5683 | Addition to lower extremity, below knee/above knee, custom fabricated socket insert for other than congenital or atypical traumatic amputee, silicone gel, elastomeric or equal, for use with or without locking mechanism, initial only (for other than initial, use code l5673 or l5679) | Fee schedule |
| L5684 | Addition to lower extremity, below knee, fork strap | Fee schedule |
| L5685 | Addition to lower extremity prosthesis, below knee, suspension/sealing sleeve, with or without valve, any material, each | Fee schedule |
| L5686 | Addition to lower extremity, below knee, back check (extension control) | Fee schedule |
| L5688 | Addition to lower extremity, below knee, waist belt, webbing | Fee schedule |
| L5690 | Addition to lower extremity, below knee, waist belt, padded and lined | Fee schedule |
| L5692 | Addition to lower extremity, above knee, pelvic control belt, light | Fee schedule |
| L5694 | Addition to lower extremity, above knee, pelvic control belt, padded and lined | Fee schedule |
| L5695 | Addition to lower extremity, above knee, pelvic control, sleeve suspension, neoprene or equal, each | Fee schedule |
| L5696 | Addition to lower extremity, above knee or knee disarticulation, pelvic joint | Fee schedule |
| L5697 | Addition to lower extremity, above knee or knee disarticulation, pelvic band | Fee schedule |
| L5698 | Addition to lower extremity, above knee or knee disarticulation, silesian bandage | Fee schedule |
| L5699 | All lower extremity prostheses, shoulder harness | Fee schedule |
| L5700 | Replacement, socket, below knee, molded to patient model | Fee schedule |
| L5701 | Replacement, socket, above knee/knee disarticulation, including attachment plate, molded to patient model | Fee schedule |
| L5702 | Replacement, socket, hip disarticulation, including hip joint, molded to patient model | Fee schedule |
| L5703 | Ankle, symes, molded to patient model, socket without solid ankle cushion heel (sach) foot, replacement only | Fee schedule |
| L5704 | Custom shaped protective cover, below knee | Fee schedule |
| L5705 | Custom shaped protective cover, above knee | Fee schedule |
| L5706 | Custom shaped protective cover, knee disarticulation | Fee schedule |
| L5707 | Custom shaped protective cover, hip disarticulation | Fee schedule |
| L5710 | Addition, exoskeletal knee-shin system, single axis, manual lock | Fee schedule |
| L5711 | Additions exoskeletal knee-shin system, single axis, manual lock, ultra-light material | Fee schedule |
| L5712 | Addition, exoskeletal knee-shin system, single axis, friction swing and stance phase control (safety knee) | Fee schedule |
| L5714 | Addition, exoskeletal knee-shin system, single axis, variable friction swing phase control | Fee schedule |
| L5716 | Addition, exoskeletal knee-shin system, polycentric, mechanical stance phase lock | Fee schedule |
| L5718 | Addition, exoskeletal knee-shin system, polycentric, friction swing and stance phase control | Fee schedule |
| L5722 | Addition, exoskeletal knee-shin system, single axis, pneumatic swing, friction stance phase control | Fee schedule |
| L5724 | Addition, exoskeletal knee-shin system, single axis, fluid swing phase control | Fee schedule |
| L5726 | Addition, exoskeletal knee-shin system, single axis, external joints fluid swing phase control | Fee schedule |
| L5728 | Addition, exoskeletal knee-shin system, single axis, fluid swing and stance phase control | Fee schedule |
| L5780 | Addition, exoskeletal knee-shin system, single axis, pneumatic/hydra pneumatic swing phase control | Fee schedule |
| L5781 | Addition to lower limb prosthesis, vacuum pump, residual limb volume management and moisture evacuation system | Fee schedule |
| L5782 | Addition to lower limb prosthesis, vacuum pump, residual limb volume management and moisture evacuation system, heavy duty | Fee schedule |
| L5783 | Addition to lower extremity, user adjustable, mechanical, residual limb volume management system (with or without lamination kit) | Fee schedule |
| L5785 | Addition, exoskeletal system, below knee, ultra-light material (titanium, carbon fiber or equal) | Fee schedule |
| L5790 | Addition, exoskeletal system, above knee, ultra-light material (titanium, carbon fiber or equal) | Fee schedule |
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