ICD-10-PCS Body Part - B
Imaging, Non-Axial Upper Bones, Plain Radiography, Humerus, Left

The Humerus, Left body part is identified by the character B in the 4^th position of the ICD-10-PCS procedure code. It is contained within the Plain Radiography root operation of the Non-Axial Upper Bones body system under the Imaging section. The 4^the position refers to the body part or body region when applicable.