L5535 — Preparatory, below knee 'ptb' type socket, non-alignable system, no cover, sach foot, prefabricated, adjustable open end socket
HCPCS Level II L-code · short descriptor: “Prep bk ptb open end socket”
- 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.
L5535 Medicare fee schedule (April 2026)
Base (no modifier) Prosthetics & orthotics
Medicare allowable ranges from $2076.09 to $3553.71 depending on state and rural status.
Former-CBA payment limits: ceiling $2768.11 · floor $2076.09
| State | Non-rural | Rural |
|---|---|---|
| AK | $3323.39 | — |
| AL | $2076.09 | — |
| AR | $2430.65 | — |
| AZ | $2768.11 | — |
| CA | $2768.11 | — |
| CO | $2076.09 | — |
| CT | $2658.07 | — |
| DC | $2196.14 | — |
| DE | $2196.14 | — |
| FL | $2076.09 | — |
| GA | $2076.09 | — |
| HI | $3553.71 | — |
| IA | $2492.52 | — |
| ID | $2537.72 | — |
| IL | $2381.94 | — |
| IN | $2381.94 | — |
| KS | $2492.52 | — |
| KY | $2076.09 | — |
| LA | $2430.65 | — |
| MA | $2658.07 | — |
| MD | $2196.14 | — |
| ME | $2658.07 | — |
| MI | $2381.94 | — |
| MN | $2381.94 | — |
| MO | $2492.52 | — |
| MS | $2076.09 | — |
| MT | $2076.09 | — |
| NC | $2076.09 | — |
| ND | $2076.09 | — |
| NE | $2492.52 | — |
| NH | $2658.07 | — |
| NJ | $2322.14 | — |
| NM | $2430.65 | — |
| NV | $2768.11 | — |
| NY | $2322.14 | — |
| OH | $2381.94 | — |
| OK | $2430.65 | — |
| OR | $2537.72 | — |
| PA | $2196.14 | — |
| PR | $3197.93 | — |
| RI | $2658.07 | — |
| SC | $2076.09 | — |
| SD | $2076.09 | — |
| TN | $2076.09 | — |
| TX | $2430.65 | — |
| UT | $2076.09 | — |
| VA | $2196.14 | — |
| VI | $2322.14 | — |
| VT | $2658.07 | — |
| WA | $2537.72 | — |
| WI | $2381.94 | — |
| WV | $2196.14 | — |
| WY | $2076.09 | — |
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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