L5656 — Addition to lower extremity, socket insert, knee disarticulation (kemblo, pelite, aliplast, plastazote or equal)
HCPCS Level II L-code · short descriptor: “Socket insert knee articulat”
- 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
- Face-to-face & WOPD
- Not on the required 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.
Order readiness — what the written order must contain
Every Medicare DMEPOS claim needs a Standard Written Order with all six elements (42 CFR 410.38(d)):
- Beneficiary name or Medicare Beneficiary Identifier (MBI) (42 CFR 410.38(d)(1)(i)(A))
- General description of the item (42 CFR 410.38(d)(1)(i)(B))
- Quantity to be dispensed, if applicable (42 CFR 410.38(d)(1)(i)(C))
- Order date (42 CFR 410.38(d)(1)(i)(D))
- Treating practitioner name or NPI (42 CFR 410.38(d)(1)(i)(E))
- Treating practitioner signature (42 CFR 410.38(d)(1)(i)(F))
Not on the F2F/WOPD list (April 13, 2026 update — 83 items). The standard written order must reach the supplier before claim submission.
Blank requirements checklist only — MyMedi-AI never collects or stores completed orders.
L5656 Medicare fee schedule (April 2026)
Base (no modifier) Prosthetics & orthotics
Medicare allowable ranges from $458.53 to $667.06 depending on state and rural status.
Former-CBA payment limits: ceiling $605.51 · floor $454.13
| State | Non-rural | Rural |
|---|---|---|
| AK | $623.82 | — |
| AL | $461.57 | — |
| AR | $465.36 | — |
| AZ | $605.51 | — |
| CA | $605.51 | — |
| CO | $468.63 | — |
| CT | $458.53 | — |
| DC | $484.26 | — |
| DE | $484.26 | — |
| FL | $461.57 | — |
| GA | $461.57 | — |
| HI | $667.06 | — |
| IA | $514.58 | — |
| ID | $605.51 | — |
| IL | $529.54 | — |
| IN | $529.54 | — |
| KS | $514.58 | — |
| KY | $461.57 | — |
| LA | $465.36 | — |
| MA | $458.53 | — |
| MD | $484.26 | — |
| ME | $458.53 | — |
| MI | $529.54 | — |
| MN | $529.54 | — |
| MO | $514.58 | — |
| MS | $461.57 | — |
| MT | $468.63 | — |
| NC | $461.57 | — |
| ND | $468.63 | — |
| NE | $514.58 | — |
| NH | $458.53 | — |
| NJ | $593.52 | — |
| NM | $465.36 | — |
| NV | $605.51 | — |
| NY | $593.52 | — |
| OH | $529.54 | — |
| OK | $465.36 | — |
| OR | $605.51 | — |
| PA | $484.26 | — |
| PR | $648.52 | — |
| RI | $458.53 | — |
| SC | $461.57 | — |
| SD | $468.63 | — |
| TN | $461.57 | — |
| TX | $465.36 | — |
| UT | $468.63 | — |
| VA | $484.26 | — |
| VI | $593.50 | — |
| VT | $458.53 | — |
| WA | $605.51 | — |
| WI | $529.54 | — |
| WV | $484.26 | — |
| WY | $468.63 | — |
Common denial codes to watch
Related L-codes
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