XNU Supplement - Bones ICD-10-PCS
The XNU code range contains 3 ICD-10-PCS codes for Supplement procedures on the bones. 2 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Supplement: Putting in or on biological or synthetic material that physically reinforces and/oraugments the function of a portion of a body part.
Codes in the XNU Range 3 codes · 2 billable
- XNU New Technology, Bones, SupplementNon-billable header
- XNU0356 Supplement Lumbar Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6
- XNU4356 Supplement Thoracic Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6
About the XNU Code Range
These procedures place synthetic material in or on a lumbar or thoracic vertebra to reinforce part of it or help it function.
The fourth character distinguishes the lumbar vertebra from the thoracic vertebra. The fifth is Percutaneous: instruments reach the site through a puncture or small incision. The sixth identifies a paired synthetic substitute that expands mechanically. The seventh is New Technology Group 6.
Questions About This Page
How many billable codes are in the XNU range?
Of the 3 codes in this range, 2 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.
What does the XNU range classify?
The range classifies Supplement procedures, putting in or on biological or synthetic material that physically reinforces and/oraugments the function of a portion of a body part, performed on the bones. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
