027X34ZDilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 027X34Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

027X34Z is a billable ICD-10-PCS procedure code for Dilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous 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 Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
027X34Z
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous Approach
Parent Code
Short Description
Dilate of Thor Aorta Asc with Drug-elut Intra, Perc Approac

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
6Device4Intraluminal Device, Drug-eluting
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 027X34Z under the General Equivalence Mappings.

39.50
Approximate match; combination (more than one code may be needed).
40
Approximate match; combination (more than one code may be needed).
45
Approximate match; combination (more than one code may be needed).
55
Approximate match; combination (more than one code may be needed).

Code History

Replaces previously assigned code(s):
  • 027W34Z — Dilate Thor Aorta Desc w Drug-elut Intra, Perc

Similar Procedure Codes

Questions About 027X34Z

Is 027X34Z a billable code?

Yes. 027X34Z is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 027X34Z mean?

027X34Z 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 4 is the Device (Intraluminal Device, Drug-eluting); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 027X34Z group to?

On an inpatient stay, Dilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous 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 027X34Z?

Under the General Equivalence Mappings, Dilation of Thoracic Aorta, Ascending/Arch with Drug-eluting Intraluminal Device, Percutaneous Approach crosswalks to ICD-9-PCS 39.50, 40, and 45. The mapping is approximate, so confirm it fits the documentation.