Nervous System (X0) ICD-10-PCS
The X0 body system covers New Technology procedures on nervous system, with 11 ICD-10-PCS codes across 3 root operations, 8 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 3 operations · 11 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| X05 | DestructionPhysical eradication of all or a portion of a body part by the direct use of energy,force, or a destructive agent | 5 | 4 |
| X0H | InsertionPutting in a nonbiological appliance that monitors, assists, performs, or prevents aphysiological function but does not physically take the place of a body part | 4 | 3 |
| X0Z | Other ProceduresMethodologies which attempt to remediate or cure a disorder or disease | 2 | 1 |
The info icon shows the official root operation definition and previews the codes in that range.
About the X0 Body System
These nervous system codes cover procedures on the brain, prefrontal cortex, sympathetic and vagus nerves, cardiac plexus, and sphenopalatine ganglion.
Destruction physically eliminates all or part of a body part using energy, force, or a destructive agent. Insertion puts in a nonbiological device that monitors, assists, performs, or prevents a body function without replacing a body part. Other Procedures covers methods intended to remedy or cure a disorder or disease.
FY 2027 changes: The FY 2027 ICD-10-PCS update, effective October 1, 2026, added 1 code in this body system. Table with changes: X0H Insertion.
Questions About This Page
How many codes are in the X0 body system?
The X0 body system contains 11 ICD-10-PCS codes in FY 2027, organized into 3 root operations. 8 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.
