031M0AJBypass Right External Carotid Artery to Right Extracranial Artery with Autologous Arterial Tissue, Open Approach
- Billable / Specific Code
031M0AJ is a billable ICD-10-PCS procedure code for Bypass Right External Carotid Artery to Right Extracranial 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 24 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 3 | Upper Arteries |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | M | External Carotid Artery, Right |
| 5 | Approach | 0 | Open |
| 6 | Device | A | Autologous Arterial Tissue |
| 7 | Qualifier | J | Extracranial Artery, Right |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 031M0AJ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 031M0AJ
Is 031M0AJ a billable code?
Yes. 031M0AJ is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Right External Carotid Artery to Right Extracranial Artery with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 031M0AJ mean?
031M0AJ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 3 is the Body System (Upper Arteries); the 3rd character 1 is the Operation (Bypass); the 4th character M is the BodyPart (External Carotid Artery, Right); the 5th character 0 is the Approach (Open); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character J is the Qualifier (Extracranial Artery, Right).
What MS-DRG does 031M0AJ group to?
On an inpatient stay, Bypass Right External Carotid Artery to Right Extracranial Artery with Autologous Arterial Tissue, Open Approach maps to MS-DRGs 037, 038, 039, 166, 167, 168, 252, 253, 254, 423, 424, 425, 579, 580, 581, 628, 629, 630, 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 031M0AJ?
Under the General Equivalence Mappings, Bypass Right External Carotid Artery to Right Extracranial Artery with Autologous Arterial Tissue, Open Approach crosswalks to ICD-9-PCS 39.29. The mapping is approximate, so confirm it fits the documentation.
