J1447 HCPCS code: Injection, tbo-filgrastim, 1 microgram

J1447 is the HCPCS Level II code for injection, tbo-filgrastim, 1 microgram. In 2024 Medicare paid an average of $0.31 per service for J1447 across 1,287,521 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 960 per day on outpatient hospital claims. Medicare volume fell 48% from 2022 to 2024 (2,463,934 to 1,287,521 services). In 2024, about 336 clinicians billed Medicare for J1447 for 453 beneficiaries; New Jersey, California, Washington accounted for 51% 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
Added2016-01-01
Last action effective2016-01-01

Who bills J1447 (2024)

MeasureValue
Clinicians billing (by place of service)336
Medicare beneficiaries453
States with claims12
Share of services in top 3 states (New Jersey, California, Washington)51%

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

Medicare utilization for J1447, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20222,463,934724$0.42$0.33
20231,643,206562$0.40$0.31
20241,287,521453$0.40$0.31

States with the most J1447 services (2024)

StateServicesAvg. paid
New Jersey245,101$0.32
California212,821$0.32
Washington106,740$0.31
New York93,064$0.32
Texas79,173$0.32

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims960Clinical: Data
practitioner claims960Clinical: Data

Medicare policy articles for this code

Covered diagnoses (1,265 ICD-10-CM codes)

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

ICD-10-CMDiagnosisArticles listing it
B20Human immunodeficiency virus [HIV] disease1
C00.0Malignant neoplasm of external upper lip1
C00.1Malignant neoplasm of external lower lip1
C00.2Malignant neoplasm of external lip, unspecified1
C00.3Malignant neoplasm of upper lip, inner aspect1
C00.4Malignant neoplasm of lower lip, inner aspect1
C00.5Malignant neoplasm of lip, unspecified, inner aspect1
C00.6Malignant neoplasm of commissure of lip, unspecified1
C00.8Malignant neoplasm of overlapping sites of lip1
C00.9Malignant neoplasm of lip, unspecified1

Showing 10 of 1,265. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for J1447

Frequently asked questions

What is HCPCS code J1447?

J1447 is the HCPCS Level II code for injection, tbo-filgrastim, 1 microgram. Short descriptor: "Inj tbo filgrastim 1 microg".

How much does Medicare pay for J1447?

In 2024, the average Medicare payment was $0.31 per service (average allowed $0.40).

Does Medicare cover J1447?

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

Which diagnoses support coverage for J1447?

Medicare policy articles that cite J1447 list 1,265 covered ICD-10-CM diagnosis codes across 1 article. The most cited include B20 (Human immunodeficiency virus [HIV] disease), C00.0 (Malignant neoplasm of external upper lip), C00.1 (Malignant neoplasm of external lower lip). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of J1447 can be billed per day?

960 on outpatient hospital claims; 960 on practitioner claims (NCCI medically unlikely edits).

Related J14 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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