Question: The descriptor for 19102 states "using imaging guidance." Does that mean imaging is included in 19102, or should I report it separately? Also, how should I determine how many units of 19102 to report? Maryland Subscriber Answer: You may report imaging guidance separately, and you should report one unit of the biopsy code per lesion sampled. Guidance: 76942 -- Ultrasonic guidance for needle placement (e.g., biopsy, aspiration, injection, localization device), imaging supervision and interpretation 77012 -- Computed tomography guidance for needle placement (e.g., biopsy, aspiration, injection, localization device), radiological supervision and interpretation 77021 -- Magnetic resonance guidance for needle placement (e.g., for biopsy, needle aspiration, injection, or placement of localization device), radiological supervision and interpretation 77031 -- Stereotactic localization guidance for breast biopsy or needle placement (e.g., for wire localization or for injection), each lesion, radiological supervision and interpretation 77032 -- Mammographic guidance for needle placement, breast (e.g., for wire localization or for injection), each lesion, radiological supervision and interpretation. Units: