L1840 – Knee orthosis, derotation, medial-lateral, anterior cruciate ligament, custom fabricated

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

Active code Carrier judgment

HCPCS codeL1840
Long description
Knee orthosis, derotation, medial-lateral, anterior cruciate ligament, custom fabricated
Short description
Ko derot ant cruciate custom
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, 1986
Last change
January 1, 2001 – No change

Frequently asked questions

What is HCPCS code L1840?

L1840 is a HCPCS Level II code for knee orthosis, derotation, medial-lateral, anterior cruciate ligament, custom fabricated.

Does Medicare cover L1840?

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.