Physiological Systems and Anatomical Regions (XE) ICD-10-PCS
The XE body system covers New Technology procedures on physiological systems and anatomical regions, with 11 ICD-10-PCS codes across 1 root operations, 10 of them billable in fiscal year 2027. Each root operation defines a distinct procedural objective, and the info icons show the official definition with a preview of the codes inside.
Root Operations in This Body System 1 operations · 11 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| XEZ | Other ProceduresMethodologies which attempt to remediate or cure a disorder or disease | 11 | 10 |
The info icon shows the official root operation definition and previews the codes in that range.
About the XE Body System
These New Technology codes cover procedures involving the chest, abdomen and pelvis; the space around the heart; arteries that supply the heart; or the canal within the spine. The body-part value can also be None.
The Other Procedures table covers methods that attempt to treat or cure an illness.
FY 2027 changes: The FY 2027 ICD-10-PCS update, effective October 1, 2026, added 10 codes in this body system. Table with changes: XEZ Other Procedures.
Questions About This Page
How many codes are in the XE body system?
The XE body system contains 11 ICD-10-PCS codes in FY 2027, organized into 1 root operations. 10 of them are billable on inpatient claims.
What is a root operation?
The root operation is the third character of every ICD-10-PCS code and names the objective of the procedure. Drainage takes fluid out, Excision cuts out a portion of a body part, and Resection removes all of one. Picking the right root operation is the central skill of PCS coding, so each one above carries its official CMS definition.
Related References
Source: CMS FY 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
