L5850 — Addition, endoskeletal system, above knee or hip disarticulation, knee extension assist
HCPCS Level II L-code · short descriptor: “Endo ak/hip knee extens assi”
- Code system
- HCPCS Level II
- Family
- L — Orthotics & prosthetics
- Medicare coverage status
- Carrier judgment — coverage decided by the DME MAC
- DMEPOS payment category
- Prosthetics & orthotics
- Prior authorization
- Not on Medicare required-PA list
- Status
- Active (April 2026 HCPCS)
Prior authorization
Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.
L5850 Medicare fee schedule (April 2026)
Base (no modifier) Prosthetics & orthotics
Medicare allowable ranges from $129.44 to $208.81 depending on state and rural status.
Former-CBA payment limits: ceiling $208.81 · floor $156.61
| State | Non-rural | Rural |
|---|---|---|
| AK | $145.42 | — |
| AL | $156.61 | — |
| AR | $208.81 | — |
| AZ | $156.61 | — |
| CA | $156.61 | — |
| CO | $208.81 | — |
| CT | $156.61 | — |
| DC | $162.60 | — |
| DE | $162.60 | — |
| FL | $156.61 | — |
| GA | $156.61 | — |
| HI | $155.50 | — |
| IA | $156.61 | — |
| ID | $156.61 | — |
| IL | $156.61 | — |
| IN | $156.61 | — |
| KS | $156.61 | — |
| KY | $156.61 | — |
| LA | $208.81 | — |
| MA | $156.61 | — |
| MD | $162.60 | — |
| ME | $156.61 | — |
| MI | $156.61 | — |
| MN | $156.61 | — |
| MO | $156.61 | — |
| MS | $156.61 | — |
| MT | $208.81 | — |
| NC | $156.61 | — |
| ND | $208.81 | — |
| NE | $156.61 | — |
| NH | $156.61 | — |
| NJ | $164.12 | — |
| NM | $208.81 | — |
| NV | $156.61 | — |
| NY | $164.12 | — |
| OH | $156.61 | — |
| OK | $208.81 | — |
| OR | $156.61 | — |
| PA | $162.60 | — |
| PR | $129.44 | — |
| RI | $156.61 | — |
| SC | $156.61 | — |
| SD | $208.81 | — |
| TN | $156.61 | — |
| TX | $208.81 | — |
| UT | $208.81 | — |
| VA | $162.60 | — |
| VI | $164.12 | — |
| VT | $156.61 | — |
| WA | $156.61 | — |
| WI | $156.61 | — |
| WV | $162.60 | — |
| WY | $208.81 | — |
Amounts are the Medicare DMEPOS fee-schedule allowables effective April 2026.
Medicare typically pays 80% of the allowable after the Part B deductible; the patient owes 20%.
A 2% sequestration reduction applies to the Medicare share. Former competitive-bidding-area
adjustments and non-continental rates can differ — verify with your DME MAC.
Common denial codes to watch
Related L-codes
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