CPT code 36511 represents leukapheresis, a therapeutic apheresis procedure that selectively removes white blood cells from a patient’s circulation and returns the remaining blood components. Leukapheresis is used in a range of clinical scenarios, including management of hyperleukocytosis, leukocyte reduction prior to chemotherapy, and select hematologic or immune-mediated conditions. Nationally, accurate reporting of CPT code 36511 is important for clinical documentation, utilization tracking, and payment processing for complex procedural care.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides readers with a concise clinical context for the procedure, common sites of service, and the scope of coverage considerations among major payers. It also outlines benchmark metrics and coding guidance relevant to billing and claims adjudication.

Readers will learn: the clinical definition and typical use cases for leukapheresis; expected sites of service and procedural setting; which major national payers are relevant to coverage and claims; and where to find benchmark and policy information when available. Data not available in the input includes specific payer policy details, associated taxonomies, ICD-10 diagnoses, and related billing codes.