XNU4356Supplement Thoracic Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6
- Billable / Specific Code
XNU4356 is a billable ICD-10-PCS procedure code for Supplement Thoracic Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | X | New Technology |
| 2 | Body System | N | Bones |
| 3 | Operation | U | Supplement |
| 4 | BodyPart | 4 | Thoracic Vertebra |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device/Substance/Technology | 5 | Synthetic Substitute, Mechanically Expandable (Paired) |
| 7 | Qualifier | 6 | New Technology Group 6 |
Code History
- 0PU43JZ — Supplement Thoracic Vertebra with Synth Sub, Perc Approach
Similar Procedure Codes
Questions About XNU4356
Is XNU4356 a billable code?
Yes. XNU4356 is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Thoracic Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6 on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in XNU4356 mean?
XNU4356 breaks down character by character: the 1st character X is the Section (New Technology); the 2nd character N is the Body System (Bones); the 3rd character U is the Operation (Supplement); the 4th character 4 is the BodyPart (Thoracic Vertebra); the 5th character 3 is the Approach (Percutaneous); the 6th character 5 is the Device/Substance/Technology (Synthetic Substitute, Mechanically Expandable (Paired)); the 7th character 6 is the Qualifier (New Technology Group 6).
What MS-DRG does XNU4356 group to?
On an inpatient stay, Supplement Thoracic Vertebra with Mechanically Expandable (Paired) Synthetic Substitute, Percutaneous Approach, New Technology Group 6 maps to MS-DRGs 515, 516, 517, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
