4A028N6Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic
- Billable / Specific Code
4A028N6 is a billable ICD-10-PCS procedure code for Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic. 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
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 | 8 | Via Natural or Artificial Opening Endoscopic |
| 6 | Function/Device | N | Sampling and Pressure |
| 7 | Qualifier | 6 | Right Heart |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 4A028N6 under the General Equivalence Mappings.
Code History
- 4A023N6 — Measure of Cardiac Sampl & Pressure, R Heart, Perc Approach
Similar Procedure Codes
Questions About 4A028N6
Is 4A028N6 a billable code?
Yes. 4A028N6 is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 4A028N6 mean?
4A028N6 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 N is the Function/Device (Sampling and Pressure); the 7th character 6 is the Qualifier (Right Heart).
What MS-DRG does 4A028N6 group to?
On an inpatient stay, Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic 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 4A028N6?
Under the General Equivalence Mappings, Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic crosswalks to ICD-9-PCS 89.59. The mapping is approximate, so confirm it fits the documentation.
