X The Physiological Systems body system is identified by the character “X” in the 2nd character position and grouped within the New Technology 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.
Section:
X = New Technology
Body System:
0 - Nervous System2 - Cardiovascular SystemD - Gastrointestinal SystemF - Hepatobiliary System & PancreasH - Skin, Subcutaneous Tissue, Fascia & BreastK - Muscles, Tendons, Bursae & LigamentsN - BonesR - JointsT - Urinary SystemV - W - Anatomical RegionsX - Physiological SystemsY - ExtracorporealThe 3rd character refers to the root operation or the objective of the procedure.
Physiological Systems
Determining the level of a physiological or physical function at a point in time