L1960 is a non-articulating, posterior solid design that blocks ankle motion for maximum stability. L1970 includes an ankle joint to allow controlled motion, which can be paired with a static or adjustable stop or dorsiflexion assist calf band. Choose L1960 when full immobilization is necessary and L1970 when controlled motion is clinically indicated.

HCPCS Code L1960: Ankle Foot Orthosis, Posterior Solid Ankle, Plastic, Custom-Fabricated
Learn when to use L1960 for a solid ankle AFO, documentation, modifiers, and billing rules. Read our handy guide.
Frequently asked questions
Claims are at high risk for denial when the order or required encounter is not completed before delivery. Obtain the Standard Written Order and supporting evaluation prior to fabrication and fitting, then retain those records with proof of delivery.
Use L1960 when the device is a posterior solid ankle AFO with a rigid calf section and full-length foot plate that fully blocks ankle motion. Use L1940 when the custom AFO is shorter or does not incorporate the rigid posterior structure that characterizes L1960. Add separate codes for medically necessary closures or interfaces, such as L2330 or L2820.
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