ICD-10-PCS code structure

Section:
  9 = Chiropractic

Body System:
  W = Anatomical Regions

Root Operation:
  B = Manipulation


See Terms used in Chiropractic

The 4th character refers to the body part or body region.

Manipulation

Manual procedure that involves a directed thrust to move a joint past the physiological range of motion, without exceeding the anatomical limit