Joints (XR) ICD-10-PCS
The XR body system covers New Technology procedures on joints, with 141 ICD-10-PCS codes across 4 root operations, 135 of them billable in fiscal year 2026. 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 4 operations · 141 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| XR2 | MonitoringDetermining the level of a physiological or physical function repetitively over a period of time | 0 | 0 |
| XRG | FusionJoining together portions of an articular body part rendering the articular body part immobile | 71 | 69 |
| XRH | InsertionPutting in a nonbiological appliance that monitors, assists, performs, or prevents aphysiological function but does not physically take the place of a body part | 60 | 58 |
| XRR | ReplacementPutting in or on biological or synthetic material that physically takes the placeand/or function of all or a portion of a body part | 10 | 8 |
The info icon shows the official root operation definition and previews the codes in that range.
About the XR Body System
The ICD-10-PCS root operations for the Joints in the New Technology section include Monitoring, Fusion, Insertion, and Replacement. These operations describe various ways to manage joint function and condition using advanced medical techniques.
Monitoring (code XR2) involves repetitively determining a joint's physiological or physical function over time, helping assess its status. Fusion (code XRG) joins parts of an articular body part to render it immobile, often used to stabilize a damaged joint. Insertion (code XRH) refers to placing a nonbiological device that monitors or assists joint function without replacing the body part. Finally, Replacement (code XRR) entails implanting biological or synthetic material that physically takes the place and function of all or part of the joint. Understanding and applying these joint-specific ICD-10-PCS codes accurately ensures precise documentation of modern joint procedures and technologies.
Questions About This Page
How many codes are in the XR body system?
The XR body system contains 141 ICD-10-PCS codes in FY 2026, organized into 4 root operations. 135 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
