MCMedicalCodingSoftware
4A000BZ

4A000BZMeasurement of Central Nervous Pressure, Open Approach

Billable / specific codeICD-10-PCS

CMS abbreviated title: Measurement of Central Nervous Pressure, Open Approach

How 4A000BZ 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.

  1. 4SectionMeasurement and Monitoring — What family of procedure this is
  2. ABody systemWhich system it acts on
  3. 0Root operationThe objective — the verb of the procedure
  4. 0Body partThe specific site
  5. 0ApproachHow the site was reached
  6. BDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near 4A000BZ

In CMS’s own ordering, which groups codes that differ by only the last character or two — usually the approach, device or qualifier.

  • 3E1U38ZIrrigation of Joints using Irrigating Substance, Percutaneous Approach
  • 3E1U48XIrrigation of Joints using Irrigating Substance, Percutaneous Endoscopic Approach, Diagnostic
  • 3E1U48ZIrrigation of Joints using Irrigating Substance, Percutaneous Endoscopic Approach
  • 3E1Y38XIrrigation of Pericardial Cavity using Irrigating Substance, Percutaneous Approach, Diagnostic
  • 3E1Y38ZIrrigation of Pericardial Cavity using Irrigating Substance, Percutaneous Approach
  • 4A0002ZMeasurement of Central Nervous Conductivity, Open Approach
  • 4A0004ZMeasurement of Central Nervous Electrical Activity, Open Approach
  • 4A000BZMeasurement of Central Nervous Pressure, Open Approach
  • 4A0034ZMeasurement of Central Nervous Electrical Activity, Percutaneous Approach
  • 4A003BDMeasurement of Intracranial Pressure, Percutaneous Approach
  • 4A003KDMeasurement of Intracranial Temperature, Percutaneous Approach
  • 4A003RDMeasurement of Intracranial Saturation, Percutaneous Approach
  • 4A0074ZMeasurement of Central Nervous Electrical Activity, Via Natural or Artificial Opening
  • 4A007BDMeasurement of Intracranial Pressure, Via Natural or Artificial Opening
  • 4A007KDMeasurement of Intracranial Temperature, Via Natural or Artificial Opening
  • 4A007RDMeasurement of Intracranial Saturation, Via Natural or Artificial Opening
ICD-10-PCSFY2026