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HCPCS Level II A2004: Xcellistem, 1 mg
HCPCS Level II code A2004 denotes Xcellistem, 1 mg, a specialty biologic product billed per milligram. Nationally, accurate coding of specialty pharmaceuticals such as Xcellistem is important for payment consistency, utilization tracking, and clinical care coordination across outpatient infusion centers and hospital outpatient departments. Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will learn what this code represents, the clinical and service contexts where it is used, and where to find operational details relevant to billing and claims processing. The publication summarizes available benchmark concepts, common billing modifiers, and payer coverage considerations when present. It also outlines gaps in available input data and identifies the types of supplemental clinical and administrative information typically required to support claims for specialty drug products. Data not available in the input.
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Billing Code Overview
HCPCS Level II code A2004 represents Xcellistem, 1 mg, a billed item for a biologic or specialty pharmaceutical product supplied in a measured 1 mg unit. The service type derived from the code description is drug administration or supply of a specialty biologic agent. The typical site of service is outpatient infusion centers, hospital outpatient departments, specialty clinics, or other outpatient settings where specialty drugs are administered or dispensed.
Data not available in the input.