L5631 – Addition to lower extremity, above knee or knee disarticulation, acrylic socket

HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices

Active code Carrier judgment

HCPCS codeL5631
Long description
Addition to lower extremity, above knee or knee disarticulation, acrylic socket
Short description
Ak/knee disartic acrylic soc
Pricing indicator
38 Orthotics, prosthetics, prosthetic devices & vision services
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
D1F Prosthetic/Orthotic devices
Added
January 1, 1989
Last change
January 1, 1996 – No change

Frequently asked questions

What is HCPCS code L5631?

L5631 is a HCPCS Level II code for addition to lower extremity, above knee or knee disarticulation, acrylic socket.

Does Medicare cover L5631?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.