4A02X4ZMeasurement of Cardiac Electrical Activity, External Approach

Measurement and Monitoring›Physiological Systems›Measurement
  • Billable / Specific Code
ICD-10-PCS 4A02X4Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

4A02X4Z is a billable ICD-10-PCS procedure code for Measurement of Cardiac Electrical Activity, External Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027).

Code Identity

ICD-10-PCS Code
4A02X4Z
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Cardiac Electrical Activity, External Approach
Short Description
Measurement of Cardiac Electrical Activity, Extern Approach
Parent Code
4A0

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.

PositionDesignationValueMeaning
1Section4Measurement and Monitoring
2Body SystemAPhysiological Systems
3Operation0Measurement
4BodySystem2Cardiac
5ApproachXExternal
6Function/Device4Electrical Activity
7QualifierZNo Qualifier

Similar Procedure Codes

Questions About 4A02X4Z

Is 4A02X4Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Electrical Activity, External Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 4A02X4Z mean?

The code 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 4 is the Function/Device (Electrical Activity); the 7th character Z is the Qualifier (No Qualifier).