The Body Part Wrist, Left is identified by letter "M" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BP3M
Magnetic Resonance Imaging (MRI) of Left Wrist
MRI of L Wrist using Oth Contrast
MRI of L Wrist using Oth Contrast, Unenh, Enhance