02HW02ZInsertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach

  • Billable / Specific Code
ICD-10-PCS 02HW02Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

02HW02Z is a billable ICD-10-PCS procedure code for Insertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 270, 271, 272. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code
02HW02Z
Billable Status
Yes — Valid for Submission
Code Describes
Insertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach
Parent Code
Short Description
Insertion of Monitor Dev into Thor Aorta Desc, Open 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
3OperationHInsertion
4BodyPartWThoracic Aorta, Descending
5Approach0Open
6Device2Monitoring Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 02HW02Z under the General Equivalence Mappings.

38.05
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 02HX02Z — Insertion of Monitor Dev into Thor Aorta Asc, Open Approach

Similar Procedure Codes

Questions About 02HW02Z

Is 02HW02Z a billable code?

Yes. 02HW02Z is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 02HW02Z mean?

02HW02Z 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 H is the Operation (Insertion); the 4th character W is the BodyPart (Thoracic Aorta, Descending); the 5th character 0 is the Approach (Open); the 6th character 2 is the Device (Monitoring Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 02HW02Z group to?

On an inpatient stay, Insertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach maps to MS-DRGs 270, 271, 272, with relative weights from 2.5530 to 5.2763. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 02HW02Z?

Under the General Equivalence Mappings, Insertion of Monitoring Device into Thoracic Aorta, Descending, Open Approach crosswalks to ICD-9-PCS 38.05. The mapping is approximate, so confirm it fits the documentation.