4A1ZXQZ
4A1ZXQZ — Monitoring of Sleep, External Approach
Billable / specific codeICD-10-PCS
CMS abbreviated title: Monitoring of Sleep, External Approach
How 4A1ZXQZ is built
Every ICD-10-PCS code is seven independent character positions. Each one is a separate decision, and the meaning of a character depends on the positions before it.
- 4SectionMeasurement and Monitoring — What family of procedure this is
- ABody systemWhich system it acts on
- 1Root operationThe objective — the verb of the procedure
- ZBody partThe specific site
- XApproachHow the site was reached
- QDeviceWhat was left in place, if anything
- ZQualifierA further distinction where one applies
Codes near 4A1ZXQZ
In CMS’s own ordering, which groups codes that differ by only the last character or two — usually the approach, device or qualifier.
- 4A1J82ZMonitoring of Products of Conception, Nervous Conductivity, Via Natural or Artificial Opening Endoscopic
- 4A1J84ZMonitoring of Products of Conception, Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
- 4A1J8BZMonitoring of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening Endoscopic
- 4A1JX2ZMonitoring of Products of Conception, Nervous Conductivity, External Approach
- 4A1JX4ZMonitoring of Products of Conception, Nervous Electrical Activity, External Approach
- 4A1JXBZMonitoring of Products of Conception, Nervous Pressure, External Approach
- 4A1Z7KZMonitoring of Temperature, Via Natural or Artificial Opening
- 4A1ZXKZMonitoring of Temperature, External Approach
- 4A1ZXQZMonitoring of Sleep, External Approach
- 4B00XVZMeasurement of Central Nervous Stimulator, External Approach
- 4B00XW0Measurement of Central Nervous Cerebrospinal Fluid Shunt using Wireless Sensor, External Approach
- 4B01XVZMeasurement of Peripheral Nervous Stimulator, External Approach
- 4B02XSZMeasurement of Cardiac Pacemaker, External Approach
- 4B02XTZMeasurement of Cardiac Defibrillator, External Approach
- 4B09XSZMeasurement of Respiratory Pacemaker, External Approach
- 4B0FXVZMeasurement of Musculoskeletal Stimulator, External Approach