02NX4ZZRelease Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach
- Billable / Specific Code
02NX4ZZ is a billable ICD-10-PCS procedure code for Release Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force.
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 | 2 | Heart and Great Vessels |
| 3 | Operation | N | Release |
| 4 | BodyPart | X | Thoracic Aorta, Ascending/Arch |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 02NX4ZZ under the General Equivalence Mappings.
Code History
- 02NW4ZZ — Release Thoracic Aorta, Descending, Perc Endo Approach
Similar Procedure Codes
Questions About 02NX4ZZ
Is 02NX4ZZ a billable code?
Yes. 02NX4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 02NX4ZZ mean?
02NX4ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 2 is the Body System (Heart and Great Vessels); the 3rd character N is the Operation (Release); the 4th character X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 02NX4ZZ group to?
On an inpatient stay, Release Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 02NX4ZZ?
Under the General Equivalence Mappings, Release Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.91. The mapping is approximate, so confirm it fits the documentation.
