Anatomical Regions (9W) ICD-10-PCS
The 9W body system covers Chiropractic procedures on anatomical regions, with 91 ICD-10-PCS codes across 1 root operations, 90 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 · 91 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| 9WB | ManipulationManual procedure that involves a directed thrust to move a joint past the physiological range of motion, without exceeding the anatomical limit | 91 | 90 |
The info icon shows the official root operation definition and previews the codes in that range.
About the 9W Body System
These chiropractic codes cover manipulation of the head, neck, back, sacrum, pelvis, arms, legs, rib cage and abdomen.
The Manipulation table describes a directed hand thrust that moves a joint beyond its usual range of motion without exceeding its anatomical limit.
Questions About This Page
How many codes are in the 9W body system?
The 9W body system contains 91 ICD-10-PCS codes in FY 2027, organized into 1 root operations. 90 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.