E1813 — Dynamic adjustable knee extension only device, includes soft interface material
HCPCS Level II E-code · short descriptor: “Adjust knee extension device”
- Code system
- HCPCS Level II
- Family
- E — Durable medical equipment
- Medicare coverage status
- Carrier judgment — coverage decided by the DME MAC
- DMEPOS payment category
- Capped rental
- 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.
E1813 Medicare fee schedule (April 2026)
RR — Monthly rental Capped rental
Medicare allowable ranges from $142.48 to $222.55 depending on state and rural status.
Former-CBA payment limits: ceiling $177.56 · floor $150.93
| State | Non-rural | Rural |
|---|---|---|
| AK | $222.55 | — |
| AL | $150.93 | — |
| AR | $150.93 | — |
| AZ | $177.56 | — |
| CA | $177.56 | — |
| CO | $150.93 | — |
| CT | $150.93 | — |
| DC | $177.56 | — |
| DE | $166.61 | — |
| FL | $150.93 | — |
| GA | $150.93 | — |
| HI | $197.05 | — |
| IA | $177.56 | — |
| ID | $177.56 | — |
| IL | $177.56 | — |
| IN | $177.56 | — |
| KS | $177.56 | — |
| KY | $150.93 | — |
| LA | $150.93 | — |
| MA | $150.93 | — |
| MD | $177.56 | — |
| ME | $150.93 | — |
| MI | $177.56 | — |
| MN | $177.56 | — |
| MO | $177.56 | — |
| MS | $150.93 | — |
| MT | $174.84 | — |
| NC | $150.93 | — |
| ND | $174.58 | — |
| NE | $177.56 | — |
| NH | $177.56 | — |
| NJ | $160.17 | — |
| NM | $150.93 | — |
| NV | $177.56 | — |
| NY | $165.53 | — |
| OH | $177.56 | — |
| OK | $150.93 | — |
| OR | $177.56 | — |
| PA | $163.61 | — |
| PR | $142.48 | — |
| RI | $150.93 | — |
| SC | $150.93 | — |
| SD | $177.56 | — |
| TN | $150.93 | — |
| TX | $153.50 | — |
| UT | $177.56 | — |
| VA | $177.56 | — |
| VI | $150.93 | — |
| VT | $177.56 | — |
| WA | $177.56 | — |
| WI | $177.56 | — |
| WV | $177.56 | — |
| WY | $177.56 | — |
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 E-codes
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