05W042ZRevision of Monitoring Device in Azygos Vein, Percutaneous Endoscopic Approach
- Billable / Specific Code
05W042Z is a billable ICD-10-PCS procedure code for Revision of Monitoring Device in Azygos Vein, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.
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 | 5 | Upper Veins |
| 3 | Operation | W | Revision |
| 4 | BodyPart | 0 | Azygos Vein |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 2 | Monitoring Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 05W042Z under the General Equivalence Mappings.
Code History
- 0JWT3MZ — Revision of Stim Gen in Trunk Subcu/Fascia, Perc Approach
Similar Procedure Codes
Questions About 05W042Z
Is 05W042Z a billable code?
Yes. 05W042Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Monitoring Device in Azygos Vein, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 05W042Z mean?
05W042Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character W is the Operation (Revision); the 4th character 0 is the BodyPart (Azygos Vein); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 2 is the Device (Monitoring Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 05W042Z group to?
On an inpatient stay, Revision of Monitoring Device in Azygos Vein, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 05W042Z?
Under the General Equivalence Mappings, Revision of Monitoring Device in Azygos Vein, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.05. The mapping is approximate, so confirm it fits the documentation.
