Fine Needle Aspiration (FNA) Cytology
CPT Codes: 88173
Test Includes: Cytologic evaluation of specimens obtained by fine needle aspiration from lesions of all body sites.
Specimen Requirements: Aspirated material, a minimum of two separate passes should be done.
Volume: A minimum of two passes should be done, preferably more as inadequate specimens result in false-negative diagnosis.
Container: Tubes containing CytoRich Red fixative
Special Instructions: It is recommended to do an aspirate only on a palpable mass. Specify the source of the specimen along with clinical history and clinical impressions.
Clinical Utilization: Diagnose primary or metastatic malignant neoplasms; differential diagnosis of benign versus malignant processes.
Methodology: The fluid will be centrifuged, supernatant poured off, and diagnostic cells aspirated from the remaining material. Filters, thin preps, and/or cytospins will be made along with a cell block, if applicable. Microscopic examination is performed.
Storage: Fix in CytoRich Red
Sample Rejection: Improperly labeled specimens or containers; improper fixation.