L2221 HCPCS code: Addition to lower extremity orthosis, ankle system, microprocessor-controlled feature plantarflexion and/or dorsiflexion, includes power source

L2221 is the HCPCS Level II code for addition to lower extremity orthosis, ankle system, microprocessor-controlled feature plantarflexion and/or dorsiflexion, includes power source. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case.

Code details

Medicare policy articles for this code

• A52457: Ankle-Foot/Knee-Ankle-Foot Orthoses - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance

Covered diagnoses (12 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

Showing 10 of 12. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for L2221

• April 2026: Code appears in this HCPCS release
• 2026-04-01: L2221 added to HCPCS Level II
• Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01

Frequently asked questions

What is HCPCS code L2221?

L2221 is the HCPCS Level II code for addition to lower extremity orthosis, ankle system, microprocessor-controlled feature plantarflexion and/or dorsiflexion, includes power source. Short descriptor: "Ank mcrop plant & dorsi flex".

Does Medicare cover L2221?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

Which diagnoses support coverage for L2221?

Medicare policy articles that cite L2221 list 12 covered ICD-10-CM diagnosis codes across 1 article. The most cited include A52.16 (Charcot's arthropathy (tabetic)), E08.610 (Diabetes mellitus due to underlying condition with diabetic neuropathic arthropathy), E09.610 (Drug or chemical induced diabetes mellitus with diabetic neuropathic arthropathy). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

Related L22 codes

• L2200 — Addition to lower extremity, limited ankle motion, each joint ($54.63–$132.78)
• L2210 — Addition to lower extremity, dorsiflexion assist (plantar flexion resist), each joint ($66.65–$164.31)
• L2220 — Addition to lower extremity, dorsiflexion and plantar flexion assist/resist, each joint ($94.10–$196.92)
• L2230 — Addition to lower extremity, split flat caliper stirrups and plate attachment ($51.03–$220.94)
• L2232 — Addition to lower extremity orthosis, rocker bottom for total contact ankle foot orthosis, for custom fabricated orthosis only ($119.38–$119.38)
• L2240 — Addition to lower extremity, round caliper and plate attachment ($25.45–$219.49)
• L2250 — Addition to lower extremity, foot plate, molded to patient model, stirrup attachment ($348.31–$972.13)
• L2260 — Addition to lower extremity, reinforced solid stirrup (scott-craig type) ($230.35–$839.25)
• L2265 — Addition to lower extremity, long tongue stirrup ($135.33–$352.26)
• L2270 — Addition to lower extremity, varus/valgus correction ('t') strap, padded/lined or malleolus pad ($61.71–$161.82)
• L2275 — Addition to lower extremity, varus/valgus correction, plastic modification, padded/lined ($144.84–$212.26)
• L2280 — Addition to lower extremity, molded inner boot ($520.33–$865.99)

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Next steps

• Run a reimbursement report for a device billed under L2221
• Watch L2221 for fee, coverage and descriptor changes
• Build a full Medicare revenue model for L2221

Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

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