Administration (3) ICD-10-PCS
Section 3 covers administration procedures with 1,277 ICD-10-PCS codes across 3 body systems, 1,273 of them billable in fiscal year 2026. Each body system below lists its root operations and code ranges.
Body Systems in This Section 3 body systems · 1,277 codes
| Chars 1–2 | Body System | Codes | Billable |
|---|---|---|---|
| 30 | Circulatory | 130 | 129 |
| 3C | Indwelling Device | 2 | 1 |
| 3E | Physiological Systems and Anatomical Regions | 1,145 | 1,143 |
The info icon previews what each row contains.
About Section 3
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
Questions About This Page
How many codes are in the 3 section?
The 3 section contains 1,277 ICD-10-PCS codes in FY 2026, organized into 3 body systems. 1,273 of them are billable on inpatient claims.
What does section 3 cover?
Section 3 covers administration procedures. The body systems listed above break it into anatomical groups, and each one links to its root operations and code ranges.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
