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CPT 85032: Manual Differential White Blood Cell Count
CPT code 85032 represents a manual differential white blood cell count performed by a laboratory analyst on a stained peripheral blood smear. This microscopic examination quantifies and characterizes white blood cell types, supplying diagnostic detail for infections, hematologic disorders, and certain monitoring scenarios where automated differentials are insufficient. Nationally, manual differentials remain important in hospitals and reference laboratories for cases requiring morphology review, clinical correlation, or abnormal automated results.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an explanation of the clinical role of this manual hematology service, typical sites of service, and the common payer landscape. The publication summarizes benchmarks and reimbursement context where available, highlights coding and billing considerations tied to service definition, and outlines clinical situations that commonly prompt a manual smear review.
The content is intended for revenue cycle and laboratory management professionals, clinicians ordering hematology testing, and policy analysts seeking clarity on how CPT code 85032 is defined and applied in clinical practice. Data not available in the input will be noted explicitly in corresponding sections.
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Billing Code Overview
CPT code 85032 describes a laboratory service in which a trained laboratory analyst performs a manual differential white blood cell count by visually examining a stained peripheral blood smear under a microscope and recording the proportions of specific white blood cell types. This service is a laboratory hematology procedure that provides detailed morphologic assessment and cell distribution data not always captured by automated analyzers.
Service type: Manual hematology analysis (differential blood cell count)
Typical site of service: Clinical laboratory or hospital laboratory
Data not available in the input.