03RK4KZReplacement of Right Internal Carotid Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
03RK4KZ is a billable ICD-10-PCS procedure code for Replacement of Right Internal Carotid Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Carotid endarterectomy and stenting.
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 | K | Internal Carotid Artery, Right |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | K | Nonautologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03RK4KZ
Is 03RK4KZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Right Internal Carotid Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 03RK4KZ mean?
The code 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 K is the BodyPart (Internal Carotid Artery, Right); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 03RK4KZ group to?
On an inpatient stay, Replacement of Right Internal Carotid Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 252, 253, 254, with relative weights from 1.6757 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 03RK4KZ?
Under the General Equivalence Mappings, Replacement of Right Internal Carotid Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.42 (Resection of vessel with replacement, other vessels of head and neck). The mapping is approximate, so confirm it fits the documentation.
