4A0ZXQZ
4A0ZXQZ — Measurement of Sleep, External Approach
Billable / specific codeICD-10-PCS
CMS abbreviated title: Measurement of Sleep, External Approach
How 4A0ZXQZ 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
- 0Root 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 4A0ZXQZ
In CMS’s own ordering, which groups codes that differ by only the last character or two — usually the approach, device or qualifier.
- 4A0J8BZMeasurement of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening Endoscopic
- 4A0JX2ZMeasurement of Products of Conception, Nervous Conductivity, External Approach
- 4A0JX4ZMeasurement of Products of Conception, Nervous Electrical Activity, External Approach
- 4A0JXBZMeasurement of Products of Conception, Nervous Pressure, External Approach
- 4A0Z76ZMeasurement of Metabolism, Via Natural or Artificial Opening
- 4A0Z7KZMeasurement of Temperature, Via Natural or Artificial Opening
- 4A0ZX6ZMeasurement of Metabolism, External Approach
- 4A0ZXKZMeasurement of Temperature, External Approach
- 4A0ZXQZMeasurement of Sleep, External Approach
- 4A1002ZMonitoring of Central Nervous Conductivity, Open Approach
- 4A1004GMonitoring of Central Nervous Electrical Activity, Intraoperative, Open Approach
- 4A1004ZMonitoring of Central Nervous Electrical Activity, Open Approach
- 4A100BZMonitoring of Central Nervous Pressure, Open Approach
- 4A1034GMonitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach
- 4A1034ZMonitoring of Central Nervous Electrical Activity, Percutaneous Approach
- 4A103BDMonitoring of Intracranial Pressure, Percutaneous Approach