ICD-10-PCS Code Range for Physiological Systems is medical classification list by Centers for Medicare and Medicaid Services (CMS).
ICD-10-PCS code range (Character 3), Operation, contains ICD-10-PCS codes for Determining the level of a physiological or physical function repetitively over a period of time, Taking over a portion of a physiological function by extracorporeal means, Determining the level of a physiological or physical function at a point in time.