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
| ICD-10-PCS | Description |
|---|
| 3E0 - Introduction | Putting in or on a therapeutic, diagnostic, nutritional, physiological or prophylactic substance except blood or blood products |
| 3E1 - Irrigation | Putting in or on a cleansing substance |
