The Anatomical Regions body system is identified by the character “W” in the 2nd character position and grouped within the Placement 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.
2 = Placement
W- Anatomical Regions
Y- Anatomical Orifices
The 3rd character refers to the root operation or the objective of the procedure.
Taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane
Putting pressure on a body region
Putting material on a body region for protection
Limiting or preventing motion of a body region
Putting material in a body region or orifice
Taking out or off a device from a body part
Exerting a pulling force on a body region in a distal direction