01R447ZReplacement of Ulnar Nerve with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
01R447Z is a billable ICD-10-PCS procedure code for Replacement of Ulnar Nerve with Autologous Tissue Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or 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 | 0 | Medical and Surgical |
| 2 | Body System | 1 | Peripheral Nervous System |
| 3 | Operation | R | Replacement |
| 4 | BodyPart | 4 | Ulnar Nerve |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 7 | Autologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 01R447Z under the General Equivalence Mappings.
Code History
- 01Q44ZZ — Repair Ulnar Nerve, Percutaneous Endoscopic Approach
Similar Procedure Codes
Questions About 01R447Z
Is 01R447Z a billable code?
Yes. 01R447Z is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Ulnar Nerve with Autologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 01R447Z mean?
01R447Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 1 is the Body System (Peripheral Nervous System); the 3rd character R is the Operation (Replacement); the 4th character 4 is the BodyPart (Ulnar Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 7 is the Device (Autologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 01R447Z group to?
On an inpatient stay, Replacement of Ulnar Nerve with Autologous Tissue Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 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.
What is the ICD-9-PCS equivalent of 01R447Z?
Under the General Equivalence Mappings, Replacement of Ulnar Nerve with Autologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 45. The mapping is approximate, so confirm it fits the documentation.
