90.46
Microscopic examination of specimen from trachea, bronchus, pleura, lung, and other thoracic specimen, and of sputum, cell block and Papanicolaou smear
The ICD-9 procedure code for microscopic examination of specimen from trachea, bronchus, pleura, lung, and other thoracic specimen, and of sputum, cell block and papanicolaou smear is 90.46.
Legacy code — retired October 1, 2015