J1442 Injection filgrastim excl biosimil
Also known as: filgrastim, G-CSF, Neupogen
Filgrastim injection, non-biosimilar product. A granulocyte colony-stimulating factor used for chemotherapy-induced neutropenia management.
In Plain Language
white blood cell booster; infection prevention injection
Clinical Context
Used for chemotherapy-induced neutropenia, severe chronic neutropenia, and mobilization of hematopoietic progenitor cells. Stimulates neutrophil production and function.
RVU Information
CPT J1442 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
J-codes represent drugs administered by a healthcare provider (not self-administered). Documentation must include the drug name, dosage, route of administration, and medical necessity. Most payers require the National Drug Code (NDC) on the claim. Bill the appropriate administration code (96365-96379) in addition to the drug code.
Specialties
Frequently Asked Questions
What is CPT code J1442?
CPT J1442 (Injection filgrastim excl biosimil) is a J Codes (Drugs) code. Filgrastim injection, non-biosimilar product. A granulocyte colony-stimulating factor used for chemotherapy-induced neutropenia management.
How is J1442 administered?
CPT J1442 is administered by a healthcare provider, typically via injection or infusion. Used for chemotherapy-induced neutropenia, severe chronic neutropenia, and mobilization of hematopoietic progenitor cells. Stimulates neutrophil production and function. It is used by Oncology, Hematology, Internal Medicine.
When is CPT J1442 used?
Used for chemotherapy-induced neutropenia, severe chronic neutropenia, and mobilization of hematopoietic progenitor cells. Stimulates neutrophil production and function.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.