The Body Part Pulmonary Trunk is identified by letter "U" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B31U
Fluoroscopy Pulm Trunk w L Osm Contrast, Laser Intraop
Fluoroscopy of Pulmonary Trunk using High Osmolar Contrast
Fluoroscopy of Pulmonary Trunk
Fluoroscopy of Pulmonary Trunk using Other Contrast
Fluoroscopy of Pulmonary Trunk using Low Osmolar Contrast
Fluoroscopy of Pulm Trunk using Oth Contrast, Laser Intraop
Fluoroscopy Pulm Trunk w H Osm Contrast, Laser Intraop