04N04ZZRelease Abdominal Aorta, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 04N04ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

04N04ZZ is a billable ICD-10-PCS procedure code for Release Abdominal Aorta, Percutaneous Endoscopic 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 Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Artery, vein, and great vessel procedures, NEC.

Code Identity

ICD-10-PCS Code
04N04ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Abdominal Aorta, Percutaneous Endoscopic Approach
Short Description
Release Abdominal Aorta, Percutaneous Endoscopic Approach
Same as the full description in the CMS dataset.
Parent Code

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System4Lower Arteries
3OperationNRelease
4BodyPart0Abdominal Aorta
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Release, Aorta, Abdominal
Leads to this code's table
Anatomy or device term that leads here

To code release of the abdominal aorta, open the FY 2027 ICD-10-PCS Alphabetic Index at Release, then the subterms Aorta, Abdominal. The index leads to table 04N, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 04N04ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR021
Artery, vein, and great vessel procedures, NEC
Clinical domain: Cardiovascular Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

39.91
Freeing of vessel
Approximate match.

Similar Procedure Codes

Questions About 04N04ZZ

Is 04N04ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Abdominal Aorta, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 04N04ZZ mean?

The code 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 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 04N04ZZ group to?

On an inpatient stay, Release Abdominal Aorta, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, 356, 357, 358, with relative weights from 1.4884 to 4.3380. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 04N04ZZ?

Under the General Equivalence Mappings, Release Abdominal Aorta, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.91 (Freeing of vessel). The mapping is approximate, so confirm it fits the documentation.