Fine needle aspiration biopsy

• Material is aspirated with a fine needle and the cells are examined cytologically.
• A core needle biopsy is performed with a larger bore needle to obtain a core sample.
• Use code 10021 for FNA without imaging guidance, first lesion and 10004 for each additional lesions.
• Use codes 10005 – 10012 for FNA include imaging guidance.

Additional resources

• Billing Guide-Minor Surgical Procedures
• Using Modifier 59 | Reference Sheet
• Minor Procedures
• More