4A023N8Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 4A023N8
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

4A023N8 is a billable ICD-10-PCS procedure code for Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 276, 277, 286, 287. 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
4A023N8
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach
Parent Code
Short Description
Measure Cardiac Sampl & Pressure, Bilateral, Perc

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
5Approach3Percutaneous
6Function/DeviceNSampling and Pressure
7Qualifier8Bilateral

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 4A023N8 under the General Equivalence Mappings.

37.23
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 4A027N8 — Measure of Cardiac Sampl & Pressure, Bilateral, Via Opening
  • 4A028N8 — Measurement of Cardiac Sampl & Pressure, Bilateral, Endo

Similar Procedure Codes

Questions About 4A023N8

Is 4A023N8 a billable code?

Yes. 4A023N8 is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 4A023N8 mean?

4A023N8 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 N is the Function/Device (Sampling and Pressure); the 7th character 8 is the Qualifier (Bilateral).

What MS-DRG does 4A023N8 group to?

On an inpatient stay, Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach maps to MS-DRGs 276, 277, 286, 287, with relative weights from 1.0701 to 6.0066. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 4A023N8?

Under the General Equivalence Mappings, Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach crosswalks to ICD-9-PCS 37.23. The mapping is approximate, so confirm it fits the documentation.