Ankle foot orthosis, single upright with static or adjustable stop (phelps or

L1920 (“Ankle foot orthosis, single upright with static or adjustable stop (phelps or”) is a code used to bill for equipment, supplies, drugs, or non-physician services in the HCPCS Level II code set. Whether it is billed — and whether a payer covers it — depends on the clinical setting, documentation, and plan rules.