HCPCS Code L2820: Addition to Lower Extremity Orthosis

No. L2820 is an accessory code that must be billed in conjunction with a primary orthosis code (e.g., custom or prefabricated below-knee AFO). It does not stand alone.

It is appropriate when a patient experiences discomfort, skin irritation, or pressure points from a molded plastic orthosis, and a soft interface is added to mitigate these issues. Documentation must reflect medical necessity.

Yes. For interfaces fabricated directly to a patient model, use codes like L2330 (custom-fabricated lacer molded to patient model). L2820 is specifically for soft interfaces added to existing molded plastic orthoses.