J0834 HCPCS code: Injection, cosyntropin, 0.25 mg
J0834 is the HCPCS Level II code for injection, cosyntropin, 0.25 mg. In 2024 Medicare paid an average of $18.84 per service for J0834 across 3,063 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 3 per day on outpatient hospital claims. Medicare volume fell 4% from 2022 to 2024 (3,190 to 3,063 services). In 2024, about 1,361 clinicians billed Medicare for J0834 for 2,866 beneficiaries; California, North Carolina, Texas accounted for 30% of services.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1E — Other drugs |
| Added | 2010-01-01 |
| Last action effective | 2019-01-01 |
Who bills J0834 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 1,361 |
| Medicare beneficiaries | 2,866 |
| States with claims | 38 |
| Share of services in top 3 states (California, North Carolina, Texas) | 30% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J0834, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 3,190 | 3,004 | $29.55 | $22.38 |
| 2023 | 3,171 | 2,947 | $26.59 | $20.30 |
| 2024 | 3,063 | 2,866 | $24.85 | $18.84 |
States with the most J0834 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 392 | $18.73 |
| North Carolina | 261 | $18.61 |
| Texas | 252 | $19.13 |
| Arizona | 171 | $18.86 |
| New York | 150 | $19.95 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 3 | Prescribing Information |
| practitioner claims | 3 | Prescribing Information |
What changed for J0834
- 2010-01-01: J0834 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 J0834?
J0834 is the HCPCS Level II code for injection, cosyntropin, 0.25 mg. Short descriptor: "Inj., cosyntropin, 0.25 mg".
How much does Medicare pay for J0834?
In 2024, the average Medicare payment was $18.84 per service (average allowed $24.85).
Does Medicare cover J0834?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J0834 can be billed per day?
3 on outpatient hospital claims; 3 on practitioner claims (NCCI medically unlikely edits).
Related J08 codes
- J0800 — Injection, corticotropin, up to 40 units
- J0801 — Injection, corticotropin (acthar gel), up to 40 units
- J0802 — Injection, corticotropin (ani), up to 40 units
- J0833 — Injection, cosyntropin, not otherwise specified, 0.25 mg
- J0840 — Injection, crotalidae polyvalent immune fab (ovine), up to 1 gram
- J0841 — Injection, crotalidae immune f(ab')2 (equine), 120 mg
- J0850 — Injection, cytomegalovirus immune globulin intravenous (human), per vial
- J0870 — Injection, imetelstat, 1 mg
- J0872 — Injection, daptomycin (xellia), unrefrigerated, not therapeutically equivalent to j0878 or j0873, 1 mg
- J0873 — Injection, daptomycin (xellia), not therapeutically equivalent to j0878 or j0872, 1 mg
- J0874 — Injection, daptomycin (baxter), not therapeutically equivalent to j0878, 1 mg
- J0875 — Injection, dalbavancin, 5 mg
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Next steps
- Run a reimbursement report for a device billed under J0834
- Watch J0834 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0834
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.