Skin, Subcutaneous Tissue, Fascia and Breast (XH) ICD-10-PCS
The XH body system covers New Technology procedures on skin, subcutaneous tissue, fascia and breast, with 13 ICD-10-PCS codes across 2 root operations, 11 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 2 operations · 13 codes
| Chars 1–3 | Root Operation | Codes | Billable |
|---|---|---|---|
| XHH | InsertionPutting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part | 3 | 2 |
| XHR | ReplacementPutting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part | 10 | 9 |
The info icon shows the official root operation definition and previews the codes in that range.
About the XH Body System
These New Technology codes cover skin of the head, neck, chest, abdomen, back and limbs, plus tissue beneath the skin and fascia in the chest.
The Replacement table covers biological or synthetic material that takes the place or function of all or part of a body part. The Insertion table covers nonbiological appliances that monitor, assist, perform or prevent a body function without taking a body part’s place. These procedures include skin grafts and pacemaker and defibrillator procedures.
FY 2027 changes: The FY 2027 ICD-10-PCS update, effective October 1, 2026, added 1 code in this body system. Table with changes: XHH Insertion.
Questions About This Page
How many codes are in the XH body system?
The XH body system contains 13 ICD-10-PCS codes in FY 2027, organized into 2 root operations. 11 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.
