J9118 HCPCS code: Injection, calaspargase pegol-mknl, 10 units
J9118 is the HCPCS Level II code for injection, calaspargase pegol-mknl, 10 units. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 750 per day on outpatient hospital claims.
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 | O1D — Chemotherapy |
| Added | 2019-10-01 |
| Last action effective | 2019-10-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 750 | CMS Policy |
| practitioner claims | 750 | CMS Policy |
What changed for J9118
- 2019-10-01: J9118 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 J9118?
J9118 is the HCPCS Level II code for injection, calaspargase pegol-mknl, 10 units. Short descriptor: "Inj. calaspargase pegol-mknl".
Does Medicare cover J9118?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J9118 can be billed per day?
750 on outpatient hospital claims; 750 on practitioner claims (NCCI medically unlikely edits).
Related J91 codes
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Next steps
- Run a reimbursement report for a device billed under J9118
- Watch J9118 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9118
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.