02RX4JZReplacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 02RX4JZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

02RX4JZ is a billable ICD-10-PCS procedure code for Replacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part.

Code Identity

ICD-10-PCS Code
02RX4JZ
Billable Status
Yes — Valid for Submission
Code Describes
Replacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach
Parent Code
Short Description
Replace of Thor Aorta Asc with Synth Sub, Perc Endo 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
3OperationRReplacement
4BodyPartXThoracic Aorta, Ascending/Arch
5Approach4Percutaneous Endoscopic
6DeviceJSynthetic Substitute
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 02RX4JZ under the General Equivalence Mappings.

38.45
Approximate match.

Code History

Replaces previously assigned code(s):
  • 02RW4JZ — Replace Thor Aorta Desc w Synth Sub, Perc Endo

Similar Procedure Codes

Questions About 02RX4JZ

Is 02RX4JZ a billable code?

Yes. 02RX4JZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 02RX4JZ mean?

02RX4JZ 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 R is the Operation (Replacement); the 4th character X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character J is the Device (Synthetic Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 02RX4JZ group to?

On an inpatient stay, Replacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 163, 164, 165, 219, 220, 221, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6783. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 02RX4JZ?

Under the General Equivalence Mappings, Replacement of Thoracic Aorta, Ascending/Arch with Synthetic Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.45. The mapping is approximate, so confirm it fits the documentation.