03R04JZReplacement of Right Internal Mammary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
03R04JZ is a billable ICD-10-PCS procedure code for Replacement of Right Internal Mammary 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 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
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 | R | Replacement |
| 4 | BodyPart | 0 | Internal Mammary 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 03R04JZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03R04JZ
Is 03R04JZ a billable code?
Yes. 03R04JZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Right Internal Mammary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03R04JZ mean?
03R04JZ 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 R is the Operation (Replacement); the 4th character 0 is the BodyPart (Internal Mammary 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 03R04JZ group to?
On an inpatient stay, Replacement of Right Internal Mammary Artery 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 03R04JZ?
Under the General Equivalence Mappings, Replacement of Right Internal Mammary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.45. The mapping is approximate, so confirm it fits the documentation.
