L0999 HCPCS code: Addition to spinal orthosis, not otherwise specified
L0999 is the HCPCS Level II code for addition to spinal orthosis, not otherwise specified. In 2024 Medicare paid an average of $70.35 per service for L0999 across 57 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume fell 55% from 2022 to 2024 (127 to 57 services). In 2024, 35 suppliers billed Medicare for L0999 (purchases), serving 56 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | L codes — Orthotic and prosthetic procedures and devices |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 46 — Priced by the Medicare contractor (no national fee) |
| BETOS category | D1F — Prosthetic and orthotic devices |
| Added | 1998-01-01 |
| Last action effective | 1998-01-01 |
Who bills L0999 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 35 |
| Referring clinicians | 49 |
| Medicare beneficiaries | 56 |
| States with claims | 1 |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 34 | 122 |
| 2023 | 38 | 130 |
| 2024 | 35 | 56 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for L0999, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 127 | 122 | $50.31 | $38.89 |
| 2023 | 135 | 130 | $59.30 | $46.28 |
| 2024 | 57 | 56 | $89.73 | $70.35 |
States with the most L0999 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Illinois | 20 | $40.65 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Clinical: Data |
What changed for L0999
- 1998-01-01: L0999 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 L0999?
L0999 is the HCPCS Level II code for addition to spinal orthosis, not otherwise specified. Short descriptor: "Add to spinal orthosis nos".
How much does Medicare pay for L0999?
In 2024, the average Medicare payment was $70.35 per service (average allowed $89.73).
Does Medicare cover L0999?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of L0999 can be billed per day?
1 on outpatient hospital claims (NCCI medically unlikely edits).
Related L09 codes
- L0970 — Tlso, corset front ($81.66–$221.47)
- L0972 — Lso, corset front ($81.66–$198.16)
- L0974 — Tlso, full corset ($133.09–$285.59)
- L0976 — Lso, full corset ($133.09–$244.99)
- L0978 — Axillary crutch extension ($81.66–$692.78)
- L0980 — Peroneal straps, prefabricated, off-the-shelf, pair ($16.07–$26.75)
- L0982 — Stocking supporter grips, prefabricated, off-the-shelf, set of four (4) ($17.45–$24.95)
- L0984 — Protective body sock, prefabricated, off-the-shelf, each ($69.77–$90.32)
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under L0999
- Watch L0999 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L0999
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; 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.