4A023FZMeasurement of Cardiac Rhythm, Percutaneous Approach
- Billable / Specific Code
4A023FZ is a billable ICD-10-PCS procedure code for Measurement of Cardiac Rhythm, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 273, 274. The root operation Measurement involves determining the level of a physiological or physical function at a point in time.
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 | 4 | Measurement and Monitoring |
| 2 | Body System | A | Physiological Systems |
| 3 | Operation | 0 | Measurement |
| 4 | BodySystem | 2 | Cardiac |
| 5 | Approach | 3 | Percutaneous |
| 6 | Function/Device | F | Rhythm |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 4A023FZ under the General Equivalence Mappings.
Code History
Similar Procedure Codes
Questions About 4A023FZ
Is 4A023FZ a billable code?
Yes. 4A023FZ is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Rhythm, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 4A023FZ mean?
4A023FZ breaks down character by character: the 1st character 4 is the Section (Measurement and Monitoring); the 2nd character A is the Body System (Physiological Systems); the 3rd character 0 is the Operation (Measurement); the 4th character 2 is the BodySystem (Cardiac); the 5th character 3 is the Approach (Percutaneous); the 6th character F is the Function/Device (Rhythm); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 4A023FZ group to?
On an inpatient stay, Measurement of Cardiac Rhythm, Percutaneous Approach maps to MS-DRGs 273, 274, with relative weights from 3.2917 to 4.1255. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 4A023FZ?
Under the General Equivalence Mappings, Measurement of Cardiac Rhythm, Percutaneous Approach crosswalks to ICD-9-PCS 37.26 and 89.59. The mapping is approximate, so confirm it fits the documentation.
