Using fine needles (finer than 22-gauge) to remove tissue or fluid specimens from the living body for examination in the pathology laboratory and for disease diagnosis.

Synonyms: Aspiration Biopsy, Fine Needle, Aspirations, Fine-Needle, Aspiration Biopsies, Fine-Needle, Fine-Needle Aspiration Biopsy, Biopsies, Fine-Needle, Biopsy, Fine-Needle Aspiration, Aspiration, Fine-Needle, Biopsies, Fine-Needle Aspiration, Biopsies, Fine Needle, Biopsy, Fine-Needle, Needle Biopsies, Fine, Biopsy, Fine Needle, Needle Biopsy, Fine, Fine Needle Aspiration, Fine Needle Biopsy, Fine-Needle Aspiration, Fine Needle Biopsies, Fine-Needle Aspirations, Fine-Needle Biopsy, Fine-Needle Aspiration Biopsies, Fine-Needle Biopsies, Aspiration Biopsy, Fine-Needle