CPT code 88106 covers preparation and interpretation of smears from non-gynecologic cytopathology fluids, washings, or brushings using a simple filter method. This code captures a specific laboratory cytology service that supports diagnosis of cellular abnormalities—such as malignancy, infection, or inflammatory processes—across a range of clinical settings. Nationally, accurate coding for cytopathology procedures affects laboratory workflow, clinical reporting, and payment for pathology services.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical and service context for 88106, typical sites of service, and which payer types commonly reimburse this cytopathology activity. The publication outlines billing considerations, commonly applied modifiers (listed separately), and where 88106 sits within cytology service lines.

This summary provides benchmarks and policy-relevant context for laboratory administrators, billing professionals, and pathology clinicians. It also highlights the clinical purpose of the service—preparing and interpreting non-gynecologic cytology smears—and identifies areas where coding clarity supports appropriate claim submission and clinical documentation. Data not available in the input is noted where applicable.