Effective with date of service Oct 3, 2018, the NC Medicaid and Health Choice programs cover filgrastim-aafi injection, for subcutaneous or intravenous use (Nivestym) for use in the Physician Administered Drug Program when billed with HCPCS code Q5110 - Injection, Filgrastim-aafi, Biosimilar, (Nivestym), 1 microgram. Nivestym is available in a single-dose prefilled syringe containing either 300 mcg/0.5 mL or 480 mcg/0.8 mL.