4A0Measurement and Monitoring, Physiological Systems, Measurement
- Non-Billable Header
4A0 is a non-billable ICD-10-PCS code that heads the group for Measurement and Monitoring, Physiological Systems, Measurement, so it cannot be submitted on a claim; a more specific seven-character code is required. 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 |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code guidance of the EKG catheter placement, open the FY 2027 ICD-10-PCS Alphabetic Index at Guidance, then the subterms catheter placement, EKG. The index leads to table 4A0, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 4A0.