04N00ZZRelease Abdominal Aorta, Open Approach
- Billable / Specific Code
04N00ZZ is a billable ICD-10-PCS procedure code for Release Abdominal Aorta, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 6 MS-DRGs. 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 | 4 | Lower Arteries |
| 3 | Operation | N | Release |
| 4 | BodyPart | 0 | Abdominal Aorta |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 04N00ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 04N00ZZ
Is 04N00ZZ a billable code?
Yes. 04N00ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Abdominal Aorta, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 04N00ZZ mean?
04N00ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character N is the Operation (Release); the 4th character 0 is the BodyPart (Abdominal Aorta); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 04N00ZZ group to?
On an inpatient stay, Release Abdominal Aorta, Open Approach maps to MS-DRGs 252, 253, 254, 356, 357, 358, with relative weights from 1.3979 to 4.3928. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 04N00ZZ?
Under the General Equivalence Mappings, Release Abdominal Aorta, Open Approach crosswalks to ICD-9-PCS 39.91. The mapping is approximate, so confirm it fits the documentation.
