027X3ZZDilation of Thoracic Aorta, Ascending/Arch, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 027X3ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

027X3ZZ is a billable ICD-10-PCS procedure code for Dilation of Thoracic Aorta, Ascending/Arch, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 252, 253, 254. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Angioplasty and related vessel procedures (endovascular; excluding carotid).

Code Identity

ICD-10-PCS Code
027X3ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Thoracic Aorta, Ascending/Arch, Percutaneous Approach
Short Description
Dilation of Thoracic Aorta, Ascending/Arch, Perc Approach
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 System2Heart and Great Vessels
3Operation7Dilation
4BodyPartXThoracic Aorta, Ascending/Arch
5Approach3Percutaneous
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
Dilation, Aorta, Thoracic, Ascending/Arch
Leads to this code's table

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR008
Angioplasty and related vessel procedures (endovascular; excluding carotid)
Clinical domain: Cardiovascular Procedures

Code History

Replaces previously assigned code(s):
  • 027W3ZZ — Dilation of Thoracic Aorta, Descending, Perc Approach

Similar Procedure Codes

Questions About 027X3ZZ

Is 027X3ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Thoracic Aorta, Ascending/Arch, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 027X3ZZ mean?

The code 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 7 is the Operation (Dilation); the 4th character X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 027X3ZZ group to?

On an inpatient stay, Dilation of Thoracic Aorta, Ascending/Arch, Percutaneous Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7961 to 3.4822. The MS-DRG sets the fixed Medicare payment for the stay.