L8658 HCPCS code: Interphalangeal joint spacer, silicone or equal, each
L8658 is the HCPCS Level II code for interphalangeal joint spacer, silicone or equal, each. The 2026 Medicare DMEPOS fee schedule pays $373.64 to $498.19 depending on the state. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 3 per day on outpatient hospital claims. Its average fee ranks 17 of 43 L86 codes (family range $0.40–$23,640.75).
Code details
| Field | Value |
|---|---|
| Section | L codes — Orthotic and prosthetic procedures and devices |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 38 — DMEPOS: orthotics, prosthetics, prosthetic devices and vision services |
| BETOS category | D1F — Prosthetic and orthotic devices |
| Added | 1992-01-01 |
| Last action effective | 2004-01-01 |
2026 Medicare DMEPOS fee schedule for L8658
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $373.64 | $498.19 | $498.19 | $373.64 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AL | — | $384.04 | — |
| AR | — | $373.64 | — |
| AZ | — | $373.64 | — |
| CA | — | $373.64 | — |
| CO | — | $498.19 | — |
| CT | — | $498.19 | — |
| DC | — | $403.12 | — |
| DE | — | $403.12 | — |
| FL | — | $384.04 | — |
| GA | — | $384.04 | — |
| IA | — | $373.64 | — |
| ID | — | $498.19 | — |
| IL | — | $373.64 | — |
| IN | — | $373.64 | — |
| KS | — | $373.64 | — |
| KY | — | $384.04 | — |
| LA | — | $373.64 | — |
| MA | — | $498.19 | — |
| MD | — | $403.12 | — |
| ME | — | $498.19 | — |
| MI | — | $373.64 | — |
| MN | — | $373.64 | — |
| MO | — | $373.64 | — |
| MS | — | $384.04 | — |
| MT | — | $498.19 | — |
| NC | — | $384.04 | — |
| ND | — | $498.19 | — |
| NE | — | $373.64 | — |
| NH | — | $498.19 | — |
| NJ | — | $373.64 | — |
| NM | — | $373.64 | — |
| NV | — | $373.64 | — |
| NY | — | $373.64 | — |
| OH | — | $373.64 | — |
| OK | — | $373.64 | — |
| OR | — | $498.19 | — |
| PA | — | $403.12 | — |
| RI | — | $498.19 | — |
| SC | — | $384.04 | — |
| SD | — | $498.19 | — |
| TN | — | $384.04 | — |
| TX | — | $373.64 | — |
| UT | — | $498.19 | — |
| VA | — | $403.12 | — |
| VT | — | $498.19 | — |
| WA | — | $498.19 | — |
| WI | — | $373.64 | — |
| WV | — | $403.12 | — |
| WY | — | $498.19 | — |
How the L8658 fee compares
| Measure | Value |
|---|---|
| Rank among 43 L86 codes (lowest = 1) | 17 |
| Family fee range (average of state fees) | $0.40–$23,640.75 |
| Rural fee uplift | — |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 3 | Clinical: CMS Workgroup |
| practitioner claims | 2 | Clinical: Data |
What changed for L8658
- 2026-01-01: Average state fee rose 2.0%: $408.90 to $417.08
- 1992-01-01: L8658 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 L8658?
L8658 is the HCPCS Level II code for interphalangeal joint spacer, silicone or equal, each. Short descriptor: "Interphalangeal joint spacer".
How much does Medicare pay for L8658?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $373.64–$498.19. Rural fees can be higher.
Does Medicare cover L8658?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Did the Medicare fee for L8658 change in 2026?
The average non-rural state fee moved from $408.90 in 2025 to $417.08 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of L8658 can be billed per day?
3 on outpatient hospital claims; 2 on practitioner claims (NCCI medically unlikely edits).
Related L86 codes
- L8600 — Implantable breast prosthesis, silicone or equal ($764.47–$1,019.30)
- L8603 — Injectable bulking agent, collagen implant, urinary tract, 2.5 ml syringe, includes shipping and necessary supplies ($534.60–$539.27)
- L8604 — Injectable bulking agent, dextranomer/hyaluronic acid copolymer implant, urinary tract, 1 ml, includes shipping and necessary supplies
- L8605 — Injectable bulking agent, dextranomer/hyaluronic acid copolymer implant, anal canal, 1 ml, includes shipping and necessary supplies ($860.80–$946.86)
- L8606 — Injectable bulking agent, synthetic implant, urinary tract, 1 ml syringe, includes shipping and necessary supplies ($252.88–$281.84)
- L8607 — Injectable bulking agent for vocal cord medialization, 0.1 ml, includes shipping and necessary supplies ($51.53–$56.69)
- L8608 — Miscellaneous external component, supply or accessory for use with the argus ii retinal prosthesis system
- L8609 — Artificial cornea ($7,830.54–$8,127.00)
- L8610 — Ocular implant ($716.57–$955.43)
- L8612 — Aqueous shunt ($744.39–$974.58)
- L8613 — Ossicula implant ($314.80–$418.46)
- L8614 — Cochlear device, includes all internal and external components ($22,998.52–$24,149.06)
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Next steps
- Run a reimbursement report for a device billed under L8658
- Watch L8658 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L8658
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026; 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.