The Body Part Retroperitoneum is identified by letter "H" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BW3H
MRI of Retroperitoneum using Oth Contrast
Magnetic Resonance Imaging (MRI) of Retroperitoneum
MRI of Retroperitoneum using Oth Contrast, Unenh, Enhance