Q4050 HCPCS code: Cast supplies, for unlisted types and materials of casts
Q4050 is the HCPCS Level II code for cast supplies, for unlisted types and materials of casts. In 2024 Medicare paid an average of $33.21 per service for Q4050 across 197 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 2 per day on outpatient hospital claims. Medicare volume fell 28% from 2022 to 2024 (273 to 197 services). In 2024, about 16 clinicians billed Medicare for Q4050 for 42 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 57 |
| BETOS category | D1A — Medical/surgical supplies |
| Added | 2001-07-01 |
| Last action effective | 2001-07-01 |
Who bills Q4050 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 16 |
| Medicare beneficiaries | 42 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4050, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 273 | 129 | $30.29 | $24.11 |
| 2023 | 180 | 46 | $40.58 | $31.24 |
| 2024 | 197 | 42 | $41.75 | $33.21 |
States with the most Q4050 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Oregon | 169 | $35.00 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 2 | Clinical: Data |
| practitioner claims | 2 | Clinical: Data |
What changed for Q4050
- 2001-07-01: Q4050 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 Q4050?
Q4050 is the HCPCS Level II code for cast supplies, for unlisted types and materials of casts. Short descriptor: "Cast supplies unlisted".
How much does Medicare pay for Q4050?
In 2024, the average Medicare payment was $33.21 per service (average allowed $41.75).
Does Medicare cover Q4050?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of Q4050 can be billed per day?
2 on outpatient hospital claims; 2 on practitioner claims (NCCI medically unlikely edits).
Related Q40 codes
- Q4001 — Casting supplies, body cast adult, with or without head, plaster ($62.36–$62.36)
- Q4002 — Cast supplies, body cast adult, with or without head, fiberglass ($235.64–$235.64)
- Q4003 — Cast supplies, shoulder cast, adult (11 years +), plaster ($44.78–$44.78)
- Q4004 — Cast supplies, shoulder cast, adult (11 years +), fiberglass ($155.03–$155.03)
- Q4005 — Cast supplies, long arm cast, adult (11 years +), plaster ($16.51–$16.51)
- Q4006 — Cast supplies, long arm cast, adult (11 years +), fiberglass ($37.20–$37.20)
- Q4007 — Cast supplies, long arm cast, pediatric (0-10 years), plaster ($8.25–$8.25)
- Q4008 — Cast supplies, long arm cast, pediatric (0-10 years), fiberglass ($18.59–$18.59)
- Q4009 — Cast supplies, short arm cast, adult (11 years +), plaster ($11.03–$11.03)
- Q4010 — Cast supplies, short arm cast, adult (11 years +), fiberglass ($24.80–$24.80)
- Q4011 — Cast supplies, short arm cast, pediatric (0-10 years), plaster ($5.50–$5.50)
- Q4012 — Cast supplies, short arm cast, pediatric (0-10 years), fiberglass ($12.43–$12.43)
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 Q4050
- Watch Q4050 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4050
Sources: CMS HCPCS Level II release October 2026; 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.