HCPCS Level II · Orthotic and prosthetic procedures and devices
L2390Addition to lower extremity, offset knee joint, each joint
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About L2390
L2390 is an HCPCS Level II code in the L series (orthotic and prosthetic procedures and devices), describing addition to lower extremity, offset knee joint, each joint.
It was added to HCPCS effective 01/01/1988.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Offset knee joint each
- Date added
- 01/01/1988
- Action effective
- 01/01/1988
- BETOS
- D1F
Related L23xx codes
- L2300Addition to lower extremity, abduction bar (bilateral hip involvement), jointed, adjustable
- L2310Addition to lower extremity, abduction bar-straight
- L2320Addition to lower extremity, non-molded lacer, for custom fabricated orthosis only
- L2330Addition to lower extremity, lacer molded to patient model, for custom fabricated orthosis only
- L2335Addition to lower extremity, anterior swing band
- L2340Addition to lower extremity, pre-tibial shell, molded to patient model
- L2350Addition to lower extremity, prosthetic type, (bk) socket, molded to patient model, (used for 'ptb' 'afo' orthoses)
- L2360Addition to lower extremity, extended steel shank
- L2370Addition to lower extremity, patten bottom
- L2375Addition to lower extremity, torsion control, ankle joint and half solid stirrup
- L2380Addition to lower extremity, torsion control, straight knee joint, each joint
- L2385Addition to lower extremity, straight knee joint, heavy duty, each joint
Common questions about L2390
Is HCPCS L2390 still valid?
- Yes. L2390 is active in the CMS October 2026 HCPCS file.
Does Medicare cover L2390?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.