05V00ZZRestriction of Azygos Vein, Open Approach
- Billable / Specific Code
05V00ZZ is a billable ICD-10-PCS procedure code for Restriction of Azygos Vein, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Restriction involves partially closing an orifice or the lumen of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Aneurysm repair procedures.
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 | 5 | Upper Veins |
| 3 | Operation | V | Restriction |
| 4 | BodyPart | 0 | Azygos Vein |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code restriction of the azygos vein, open the FY 2027 ICD-10-PCS Alphabetic Index at Restriction, then the subterms Vein, Azygos. The index leads to table 05V, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 05V00ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 05V00ZZ
Is 05V00ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Restriction of Azygos Vein, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 05V00ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character V is the Operation (Restriction); the 4th character 0 is the BodyPart (Azygos Vein); 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 05V00ZZ group to?
On an inpatient stay, Restriction of Azygos Vein, Open Approach maps to MS-DRGs 270, 271, 272, 907, 908, 909, with relative weights from 1.3810 to 5.2665. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 05V00ZZ?
Under the General Equivalence Mappings, Restriction of Azygos Vein, Open Approach crosswalks to ICD-9-PCS 39.52 (Other repair of aneurysm). The mapping is approximate, so confirm it fits the documentation.