021W0JHBypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open Approach

  • Billable / Specific Code
ICD-10-PCS 021W0JH
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

021W0JH is a billable ICD-10-PCS procedure code for Bypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open 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 Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
021W0JH
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open Approach
Parent Code
Short Description
Bypass Thor Aorta Desc to Brach Art w Synth Sub, Open

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
3Operation1Bypass
4BodyPartWThoracic Aorta, Descending
5Approach0Open
6DeviceJSynthetic Substitute
7QualifierHBrachial Artery

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 021W0JH under the General Equivalence Mappings.

39.23
Approximate match.

Code History

Replaces previously assigned code(s):
  • 021W0JB — Bypass Thor Aorta Desc to Subclav w Synth Sub, Open

Similar Procedure Codes

Questions About 021W0JH

Is 021W0JH a billable code?

Yes. 021W0JH is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 021W0JH mean?

021W0JH 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 1 is the Operation (Bypass); the 4th character W is the BodyPart (Thoracic Aorta, Descending); the 5th character 0 is the Approach (Open); the 6th character J is the Device (Synthetic Substitute); the 7th character H is the Qualifier (Brachial Artery).

What MS-DRG does 021W0JH group to?

On an inpatient stay, Bypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open Approach maps to MS-DRGs 037, 038, 039, 270, 271, 272, 907, 908, 909, 957, 958, 959, with relative weights from 1.1755 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 021W0JH?

Under the General Equivalence Mappings, Bypass Thoracic Aorta, Descending to Brachial Artery with Synthetic Substitute, Open Approach crosswalks to ICD-9-PCS 39.23. The mapping is approximate, so confirm it fits the documentation.