HCPCS L1940: Ankle-Foot Orthosis (AFO), custom-fabricated

Obtain a list of documentation and billing requirements from our short guide to help you properly use and bill HCPCS code L1940.

Use Code

Frequently asked questions

Use L1940 when a prefabricated orthosis cannot achieve proper fit or function (e.g., due to anatomical variations) or when the patient’s condition is expected to be permanent or long-lasting (>6 months).

Yes. Medicare policy mandates both a face-to-face evaluation and a signed, prior written order before delivery for L1940. Neglecting this requirement may result in claim denial.

Yes. If the custom-fabricated AFO includes features like lacer closures or a soft interface, you can also bill L2330 and/or L2820 as separate components, provided documentation supports these additions.