The Anatomical Regions body system is identified by the character “W” in the 2nd character position and grouped within the Osteopathic section of the ICD-10-PCS coding structure. The 2nd character of an ICD-10-PCS code defines the particular body system or general physiological system or anatomical region involved.
7 = Osteopathic
W- Anatomical Regions
The 3rd character refers to the root operation or the objective of the procedure.
Manual treatment to eliminate or alleviate somatic dysfunction and related disorders