03903ZXDrainage of Right Internal Mammary Artery, Percutaneous Approach, Diagnostic
- Billable / Specific Code
03903ZX is a billable ICD-10-PCS procedure code for Drainage of Right Internal Mammary Artery, Percutaneous Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Drainage involves taking or letting out fluids and/or gases from 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 | 9 | Drainage |
| 4 | BodyPart | 0 | Internal Mammary Artery, Right |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 03903ZX under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03903ZX
Is 03903ZX a billable code?
Yes. 03903ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Right Internal Mammary Artery, Percutaneous Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03903ZX mean?
03903ZX 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 9 is the Operation (Drainage); the 4th character 0 is the BodyPart (Internal Mammary Artery, Right); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).
What is the ICD-9-PCS equivalent of 03903ZX?
Under the General Equivalence Mappings, Drainage of Right Internal Mammary Artery, Percutaneous Approach, Diagnostic crosswalks to ICD-9-PCS 38.21. The mapping is approximate, so confirm it fits the documentation.
