J0641 HCPCS code: Injection, levoleucovorin, not otherwise specified, 0.5 mg

J0641 is the HCPCS Level II code for injection, levoleucovorin, not otherwise specified, 0.5 mg. In 2024 Medicare paid an average of $0.07 per service for J0641 across 1,266,629 services. 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 1200 per day on outpatient hospital claims. Medicare volume fell 70% from 2022 to 2024 (4,229,400 to 1,266,629 services). In 2024, about 100 clinicians billed Medicare for J0641 for 264 beneficiaries; California, South Carolina, Texas accounted for 83% of services.

Code details

FieldValue
SectionJ codes — Drugs administered other than oral method
Coverage codeD — Special coverage instructions apply
Pricing indicator51 — Drug or biological (priced per ASP/average sales price rules)
BETOS categoryO1E — Other drugs
Added2009-01-01
Last action effective2023-01-01

Who bills J0641 (2024)

MeasureValue
Clinicians billing (by place of service)100
Medicare beneficiaries264
States with claims6
Share of services in top 3 states (California, South Carolina, Texas)83%

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for J0641, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20224,229,400866$0.13$0.10
20232,224,986452$0.47$0.38
20241,266,629264$0.09$0.07

States with the most J0641 services (2024)

StateServicesAvg. paid
California589,196$0.06
South Carolina162,050$0.07
Texas78,306$0.06
New Mexico69,650$0.06
New York61,049$0.07

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1200Prescribing Information
practitioner claims1200Clinical: Data

What changed for J0641

Frequently asked questions

What is HCPCS code J0641?

J0641 is the HCPCS Level II code for injection, levoleucovorin, not otherwise specified, 0.5 mg. Short descriptor: "Inj levoleucovorin nos 0.5mg".

How much does Medicare pay for J0641?

In 2024, the average Medicare payment was $0.07 per service (average allowed $0.09).

Does Medicare cover J0641?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

How many units of J0641 can be billed per day?

1200 on outpatient hospital claims; 1200 on practitioner claims (NCCI medically unlikely edits).

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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.

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