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 H Osm Contrast, Laser Intraop
Fluoroscopy of Pulm Trunk using Oth Contrast, Laser Intraop
Fluoroscopy of Pulmonary Trunk using High Osmolar Contrast
Fluoroscopy Pulm Trunk w L Osm Contrast, Laser Intraop
Fluoroscopy of Pulmonary Trunk using Low Osmolar Contrast
Fluoroscopy of Pulmonary Trunk
Fluoroscopy of Pulmonary Trunk using Other Contrast