CPT® Code 88142

Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; manual screening under physician supervision

Cytopathology examination, specifically for cervical or vaginal specimens, is a diagnostic procedure aimed at identifying cellular changes that may indicate the presence of disease. This examination is crucial for detecting conditions such as cervical dysplasia and in situ carcinoma, which are precursors to invasive malignancies. The procedure is commonly known as a Papanicolaou (PAP) smear, named after Dr. George Papanicolaou, who developed this method of screening. During the test, cells are collected from the endocervix using a specialized instrument, such as a brush or stick, and placed in a preservative fluid to maintain their integrity for laboratory analysis. Once the specimen reaches the laboratory, it undergoes a process where the liquid cell suspension is centrifuged to eliminate debris and concentrate the cervical cells, facilitating their retrieval for examination. The cells are then prepared using an automated thin layer preparation system, which stains the cells and transfers them onto slides, ensuring a uniform distribution for microscopic evaluation. The manual screening of these slides is conducted by a trained technician under the supervision of a physician, typically a pathologist, who oversees the accuracy of the findings. This process is essential for ensuring that any abnormal results are communicated to the treating physician, allowing for timely follow-up actions, such as repeat PAP smears or further diagnostic procedures like colposcopy or biopsy, if necessary.