HCPCS Level II code J1553 represents an injection of immune globulin (brand name Yimmugo) 100 mg, used for administration of immunoglobulin therapy typically delivered as an injectable biologic; service type is medication administration and the typical site of service is an outpatient infusion clinic, physician office, or hospital outpatient department where parenteral biologic therapies are administered.

For related coverage guidance, see recent payer policy updates: Epithelial Cell Cytology in Breast Cancer Risk Assessment, Antibody-Drug Conjugates, Chemotherapy Observation or Inpatient Hospitalization (for New Mexico Only).