4A028CZMeasurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic

Measurement and Monitoring›Physiological Systems›Measurement
  • Billable / Specific Code
ICD-10-PCS 4A028CZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

4A028CZ is a billable ICD-10-PCS procedure code for Measurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic. 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

ICD-10-PCS Code
4A028CZ
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic
Parent Code
4A0
Short Description
Measurement of Cardiac Rate, Endo

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
5Approach8Via Natural or Artificial Opening Endoscopic
6Function/DeviceCRate
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 4A028CZ under the General Equivalence Mappings.

89.59
Approximate match.

Code History

Replaces previously assigned code(s):
  • 4A023CZ — Measurement of Cardiac Rate, Percutaneous Approach

Similar Procedure Codes

Questions About 4A028CZ

Is 4A028CZ a billable code?

Yes. 4A028CZ is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 4A028CZ mean?

4A028CZ 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 8 is the Approach (Via Natural or Artificial Opening Endoscopic); 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 4A028CZ?

Under the General Equivalence Mappings, Measurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic crosswalks to ICD-9-PCS 89.59. The mapping is approximate, so confirm it fits the documentation.