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CPT 88174: Automated Thin-Layer Cytology Screening, Technical Component
CPT code 88174 represents the technical laboratory service for automated preparation and automated-system screening of cervical or vaginal cytology specimens collected in preservative fluid. The code captures the technical component performed by a laboratory analyst using automated thin-layer preparation and automated screening under physician supervision. Nationwide, this code matters because automated cytology workflows are widely used in preventive women's health screening programs and in centralized laboratory operations.
Key payers examined include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical and operational context for using 88174, how it fits into automated cytology service lines, and what to expect for typical sites of service such as clinical and hospital laboratories. The publication provides benchmarking insights, coverage and coding considerations commonly encountered with automated cytology services, and relevant policy updates that affect laboratory billing and oversight. Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes are noted as such in the detailed sections.
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Billing Code Overview
CPT code 88174 describes a laboratory service in which a lab analyst performs the technical processing and automated screening of a cervical or vaginal cytopathology specimen collected in preservative fluid using an automated thin-layer preparation. The procedure includes preparation of the specimen with an automated thin layer method followed by screening using an automated system under a physician's supervision. Service type: Automated cytology laboratory screening (technical component) for gynecologic specimens. Typical site of service: Clinical laboratory or hospital laboratory performing automated cytopathology testing.