HCPCS Code L5645

Addition to lower extremity, below knee, flexible inner socket, external frame
Code effective Dec 13, 2000

HCPCS Section
Orthotic and Prosthetic Procedures, Devices

L5645 is a valid 2026 HCPCS code meaning Addition to lower extremity, below knee, flexible inner socket, external frame or (Bk flex inner socket ext fra) for short. HCPCS L5645 has been effective since 12/13/2000 and applies to Lump sum purchase of DME, prosthetics, orthotics.

HCPCS Code Details - L5645

HCPCS Level II Code
Section L - Orthotic and Prosthetic Procedures, Devices
HCPCS Code L5645
Description

Long description:
Addition to lower extremity, below knee, flexible inner socket, external frame

Short description:
Bk flex inner socket ext fra

HCPCS Pricing indicator 38 - Orthotics, prosthetics, prosthetic devices & vision services (price subject to floors and ceilings)
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code C - Carrier judgment
BETOS2 code D1F - Prosthetic/Orthotic devices
HCPCS Action code N - No maintenance for this code
Type of service P - Lump sum purchase of DME, prosthetics, orthotics
Effective date Effective Dec 13, 2000
Date added Added Jan 01, 1988

See also

  • HCPCS L5644 · Addition to lower extremity, above knee, wood socket

  • HCPCS K0672 · Addition to lower extremity orthosis, removable soft interface, all components, replacement only, each

  • HCPCS K1022 · Addition to lower extremity prosthesis, endoskeletal, knee disarticulation, above knee, hip disarticulation, positional rotation unit, any type

  • HCPCS L2180 · Addition to lower extremity fracture orthosis, plastic shoe insert with ankle joints

  • HCPCS L2182 · Addition to lower extremity fracture orthosis, drop lock knee joint

  • HCPCS L2184 · Addition to lower extremity fracture orthosis, limited motion knee joint

  • HCPCS L2186 · Addition to lower extremity fracture orthosis, adjustable motion knee joint, lerman type

  • HCPCS L2188 · Addition to lower extremity fracture orthosis, quadrilateral brim

  • HCPCS L2190 · Addition to lower extremity fracture orthosis, waist belt

  • HCPCS L2192 · Addition to lower extremity fracture orthosis, hip joint, pelvic band, thigh flange, and pelvic belt

  • HCPCS L2200 · Addition to lower extremity, limited ankle motion, each joint

  • HCPCS L2210 · Addition to lower extremity, dorsiflexion assist (plantar flexion resist), each joint

  • HCPCS L2220 · Addition to lower extremity, dorsiflexion and plantar flexion assist/resist, each joint

  • HCPCS L2221 · Addition to lower extremity orthosis, ankle system, microprocessor-controlled feature plantarflexion and/or dorsiflexion, includes power source

  • HCPCS L2230 · Addition to lower extremity, split flat caliper stirrups and plate attachment

  • HCPCS L2232 · Addition to lower extremity orthosis, rocker bottom for total contact ankle foot orthosis, for custom fabricated orthosis only

  • HCPCS L5646 · Addition to lower extremity, below knee, air, fluid, gel or equal, cushion socket

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.