The Body Part Breast, Left is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BH31
Magnetic Resonance Imaging (MRI) of Left Breast
MRI of L Breast using Oth Contrast, Unenh, Enhance
MRI of L Breast using Oth Contrast