01R20JZReplacement of Phrenic Nerve with Synthetic Substitute, Open Approach
- Billable / Specific Code
01R20JZ is a billable ICD-10-PCS procedure code for Replacement of Phrenic Nerve with Synthetic Substitute, Open 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 | 2 | Phrenic Nerve |
| 5 | Approach | 0 | Open |
| 6 | Device | J | Synthetic Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 01R20JZ under the General Equivalence Mappings.
Code History
- 01Q20ZZ — Repair Phrenic Nerve, Open Approach
Similar Procedure Codes
Questions About 01R20JZ
Is 01R20JZ a billable code?
Yes. 01R20JZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Phrenic Nerve with Synthetic Substitute, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 01R20JZ mean?
01R20JZ 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 2 is the BodyPart (Phrenic Nerve); the 5th character 0 is the Approach (Open); the 6th character J is the Device (Synthetic Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 01R20JZ group to?
On an inpatient stay, Replacement of Phrenic Nerve with Synthetic Substitute, Open 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 01R20JZ?
Under the General Equivalence Mappings, Replacement of Phrenic Nerve with Synthetic Substitute, Open Approach crosswalks to ICD-9-PCS 45. The mapping is approximate, so confirm it fits the documentation.
