04100A1Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, Open Approach

  • Billable / Specific Code
ICD-10-PCS 04100A1
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

04100A1 is a billable ICD-10-PCS procedure code for Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, 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 Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
04100A1
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, Open Approach
Parent Code
Short Description
Bypass Abd Aorta to Celiac Art with Autol Art, 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 System4Lower Arteries
3Operation1Bypass
4BodyPart0Abdominal Aorta
5Approach0Open
6DeviceAAutologous Arterial Tissue
7Qualifier1Celiac Artery

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 04100A1 under the General Equivalence Mappings.

39.26
Approximate match.

Similar Procedure Codes

Questions About 04100A1

Is 04100A1 a billable code?

Yes. 04100A1 is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 04100A1 mean?

04100A1 breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character 1 is the Operation (Bypass); the 4th character 0 is the BodyPart (Abdominal Aorta); the 5th character 0 is the Approach (Open); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character 1 is the Qualifier (Celiac Artery).

What MS-DRG does 04100A1 group to?

On an inpatient stay, Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, 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 04100A1?

Under the General Equivalence Mappings, Bypass Abdominal Aorta to Celiac Artery with Autologous Arterial Tissue, Open Approach crosswalks to ICD-9-PCS 39.26. The mapping is approximate, so confirm it fits the documentation.