03UM4JZSupplement Right External Carotid Artery with Synthetic Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
03UM4JZ is a billable ICD-10-PCS procedure code for Supplement Right External Carotid Artery 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 9 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a 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 | U | Supplement |
| 4 | BodyPart | M | External Carotid Artery, Right |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | J | Synthetic Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 03UM4JZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03UM4JZ
Is 03UM4JZ a billable code?
Yes. 03UM4JZ is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Right External Carotid Artery with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03UM4JZ mean?
03UM4JZ 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 U is the Operation (Supplement); the 4th character M is the BodyPart (External Carotid Artery, Right); 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 03UM4JZ group to?
On an inpatient stay, Supplement Right External Carotid Artery with Synthetic Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 037, 038, 039, 252, 253, 254, 907, 908, 909, with relative weights from 1.1755 to 3.8393. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 03UM4JZ?
Under the General Equivalence Mappings, Supplement Right External Carotid Artery with Synthetic Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.57. The mapping is approximate, so confirm it fits the documentation.
