CPT code 36415 denotes venipuncture for collection of a blood specimen, a foundational ambulatory procedure that supports diagnostic laboratory testing nationwide. Because blood draws are a routine gateway to lab-based diagnosis and monitoring, accurate coding of 36415 affects claims processing, encounter records, and laboratory service workflows across payers. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise description of what 36415 represents clinically and operationally, common sites where the service is performed, and the payer landscape relevant to reimbursement and billing administration. The publication highlights national benchmarks for utilization and typical claim contexts, notes policy considerations that influence coverage and payment practices, and provides clinical context on when venipuncture is performed relative to other specimen collection methods. Data not available in the input are identified explicitly where relevant.