The Contrast Low Osmolar is identified by number "1" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B2181
Fluoroscopy of L Int Mamm Graft using L Osm Contrast
Fluoroscopy of L Int Mamm Graft using Oth Contrast
Fluoroscopy of L Int Mamm Graft using H Osm Contrast