ICD-10-PCS Section: 3 - Administration


The seven characters in the administration section have the following meaning:

  • Character 1 = Section
  • Character 2 = Physiological System and Anatomical Region
  • Character 3 = Root Operation
  • Character 4 = Body System/Region
  • Character 5 = Approach
  • Character 6 = Substance
  • Character 7 = Qualifier

Administration section codes represent procedures for putting in or on a therapeutic, prophylactic, protective, diagnostic, nutritional or physiological substance. Administration procedure codes have a first character value of "3". The body system character contains three values: circulatory system, indwelling device, and physiological systems and anatomical regions. The circulatory body system is used for transfusion procedures. There are three root operations in the administration section:

  • Introduction: Putting in or on a therapeutic, diagnostic, nutritional, physiological or prophylactic substance except blood or blood products
  • Irrigation: Putting in or on a cleansing substance
  • Transfusion: Putting in blood or blood products

30 - Circulatory

3C - Indwelling Device

3E - Physiological Systems and Anatomical Regions