03RN0KZReplacement of Left External Carotid Artery with Nonautologous Tissue Substitute, Open Approach
- Billable / Specific Code
03RN0KZ is a billable ICD-10-PCS procedure code for Replacement of Left External Carotid Artery with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) 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.
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 | N | External Carotid Artery, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | K | Nonautologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 03RN0KZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03RN0KZ
Is 03RN0KZ a billable code?
Yes. 03RN0KZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Left External Carotid Artery with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03RN0KZ mean?
03RN0KZ 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 N is the BodyPart (External Carotid Artery, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 03RN0KZ group to?
On an inpatient stay, Replacement of Left External Carotid Artery with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 040, 041, 042, 252, 253, 254, with relative weights from 1.7277 to 3.8612. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 03RN0KZ?
Under the General Equivalence Mappings, Replacement of Left External Carotid Artery with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 38.42. The mapping is approximate, so confirm it fits the documentation.
