HCPCS Code L1831

Knee orthosis, locking knee joint(s), positional orthosis, prefabricated, includes fitting and adjustment
Code effective Jan 01, 2004

HCPCS Section
Orthotic and Prosthetic Procedures, Devices

L1831 is a valid 2026 HCPCS code meaning Knee orthosis, locking knee joint(s), positional orthosis, prefabricated, includes fitting and adjustment or (Knee orth pos locking joint) for short. HCPCS L1831 has been effective since 01/01/2004 and applies to Lump sum purchase of DME, prosthetics, orthotics.

HCPCS Code Details - L1831

HCPCS Level II Code
Section L - Orthotic and Prosthetic Procedures, Devices
HCPCS Code L1831
Description

Long description:
Knee orthosis, locking knee joint(s), positional orthosis, prefabricated, includes fitting and adjustment

Short description:
Knee orth pos locking joint

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 Jan 01, 2004
Date added Added Jan 01, 2004

See also

  • HCPCS L1830 · Knee orthosis, immobilizer, canvas longitudinal, prefabricated, off-the-shelf

  • HCPCS L1832 · Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise

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.