4A02XCZMeasurement of Cardiac Rate, External Approach
- Billable / Specific Code
4A02XCZ is a billable ICD-10-PCS procedure code for Measurement of Cardiac Rate, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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 | X | External |
| 6 | Function/Device | C | Rate |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 4A02XCZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 4A02XCZ
Is 4A02XCZ a billable code?
Yes. 4A02XCZ is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Rate, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 4A02XCZ mean?
4A02XCZ 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 X is the Approach (External); the 6th character C is the Function/Device (Rate); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 4A02XCZ?
Under the General Equivalence Mappings, Measurement of Cardiac Rate, External Approach crosswalks to ICD-9-PCS 89.56. The mapping is approximate, so confirm it fits the documentation.
