J7639 HCPCS code: Dornase alfa, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram

J7639 is the HCPCS Level II code for dornase alfa, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram. In 2024 Medicare paid an average of $41.07 per service for J7639 across 448,884 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 234 per day on DME suppliers. Medicare volume fell 19% from 2022 to 2024 (551,079 to 448,884 services). In 2024, 223 suppliers billed Medicare for J7639 (purchases), serving 901 beneficiaries; California, New York, Florida accounted for 22% 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 categoryD1G — Drugs administered through DME
Added2000-01-01
Last action effective2009-01-01

Who bills J7639 (2024)

MeasureValue
Suppliers billing rentals—
Suppliers billing purchases223
Referring clinicians398
Medicare beneficiaries901
States with claims43
Share of services in top 3 states (California, New York, Florida)22%
YearSuppliersBeneficiaries
20222541,088
2023238957
2024223901

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

Medicare utilization for J7639, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
2022551,0791,088$48.31$37.68
2023484,070957$51.00$39.66
2024448,884901$52.70$41.07

States with the most J7639 services (2024)

StateServicesAvg. paid
California40,080$41.21
New York30,771$40.94
Florida29,475$41.37
Pennsylvania24,027$40.96
Colorado18,806$40.51

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
DME suppliers234Published Contractor Policy
practitioner claims3Prescribing Information

Medicare policy articles for this code

Covered diagnoses (215 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

ICD-10-CMDiagnosisArticles listing it
A15.0Tuberculosis of lung1
A22.1Pulmonary anthrax1
A37.01Whooping cough due to Bordetella pertussis with pneumonia1
A37.11Whooping cough due to Bordetella parapertussis with pneumonia1
A37.81Whooping cough due to other Bordetella species with pneumonia1
A37.91Whooping cough, unspecified species with pneumonia1
A48.1Legionnaires' disease1
B20Human immunodeficiency virus [HIV] disease1
B25.0Cytomegaloviral pneumonitis1
B44.0Invasive pulmonary aspergillosis1

Showing 10 of 215. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for J7639

Frequently asked questions

What is HCPCS code J7639?

J7639 is the HCPCS Level II code for dornase alfa, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram. Short descriptor: "Dornase alfa non-comp unit".

How much does Medicare pay for J7639?

In 2024, the average Medicare payment was $41.07 per service (average allowed $52.70).

Does Medicare cover J7639?

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

Which diagnoses support coverage for J7639?

Medicare policy articles that cite J7639 list 215 covered ICD-10-CM diagnosis codes across 1 article. The most cited include A15.0 (Tuberculosis of lung), A22.1 (Pulmonary anthrax), A37.01 (Whooping cough due to Bordetella pertussis with pneumonia). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of J7639 can be billed per day?

234 on DME suppliers; 3 on practitioner claims (NCCI medically unlikely edits).

Related J76 codes

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Next steps

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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