What Is the Correct Arrangement of the Musculoskeletal Subsection of the CPT

What is the correct arrangement of the Musculoskeletal subsection of the CPT manual?

A) organized by anatomical site, further subdivided by approach or technique and treatment or condition
B) organized by treatment or condition, further subdivided by anatomical site and approach or technique
C) organized by approach or technique, further subdivided by anatomical site and treatment or condition
D) organized by approach or technique, further subdivided by anatomical site