4A00X2Z ICD-10-PCS Code: Measurement of Central Nervous Conductivity, External Approach

Related Codes

Same operation — other Body System

Same table and root operation, differing only in the body system character.

4A0JX2Z — Measurement of Products of Conception, Nervous Conductivity, External Approach

Same operation — other Approach

Same table and root operation, differing only in the approach character.

4A0002Z — Measurement of Central Nervous Conductivity, Open Approach

Same operation — other Function / Device

Same table and root operation, differing only in the function / device character.

4A00X4Z — Measurement of Central Nervous Electrical Activity, External Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under ICP and other CNS monitoring (excluding EEG) (Measurement and Monitoring); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

4A1002Z — Monitoring of Central Nervous Conductivity, Open Approach, 4A100BZ — Monitoring of Central Nervous Pressure, Open Approach, 4A103BD — Monitoring of Intracranial Pressure, Percutaneous Approach, 4A103KD — Monitoring of Intracranial Temperature, Percutaneous Approach, 4A103RD — Monitoring of Intracranial Saturation, Percutaneous Approach, 4A107BD — Monitoring of Intracranial Pressure, Via Natural or Artificial Opening, 4A107KD — Monitoring of Intracranial Temperature, Via Natural or Artificial Opening, 4A107RD — Monitoring of Intracranial Saturation, Via Natural or Artificial Opening, 4A108BD — Monitoring of Intracranial Pressure, Via Natural or Artificial Opening Endoscopic, 4A108KD — Monitoring of Intracranial Temperature, Via Natural or Artificial Opening Endoscopic, 4A108RD — Monitoring of Intracranial Saturation, Via Natural or Artificial Opening Endoscopic, 4A10X2Z — Monitoring of Central Nervous Conductivity, External Approach, 4B00XVZ — Measurement of Central Nervous Stimulator, External Approach, 4B00XW0 — Measurement of Central Nervous Cerebrospinal Fluid Shunt using Wireless Sensor, External Approach, XXE0X07 — Measurement of Intracranial Vascular Activity, Computer-aided Assessment, New Technology Group 7, XXE0X1A — Measurement of Intracranial Cerebrospinal Fluid Flow, Computer-aided Triage and Notification, New Technology Group 10

Contextual Map

Every relationship of 4A00X2Z in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

• 4A0[PCS table]— CMS ICD-10-PCS tables
• Measurement and Monitoring — Section: Measurement and Monitoring[Section]: “Measurement and Monitoring”— CMS ICD-10-PCS tables
• Physiological Systems — Body System: Physiological Systems[Body System]: “Physiological Systems”— CMS ICD-10-PCS tables
• Measurement — Operation: Measurement[Operation]: “Measurement”— CMS ICD-10-PCS tables

Clinical classification (CCSR)

• MAM012 — ICP and other CNS monitoring (excluding EEG)[CCSR category]: “ICP and other CNS monitoring (excluding EEG) — Measurement and Monitoring”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

Nearest codes

• 4A0002Z — Measurement of Central Nervous Conductivity, Open Approach[One axis away]— CMS ICD-10-PCS tables
• 4A00X4Z — Measurement of Central Nervous Electrical Activity, External Approach[One axis away]— CMS ICD-10-PCS tables
• 4A0JX2Z — Measurement of Products of Conception, Nervous Conductivity, External Approach[One axis away]— CMS ICD-10-PCS tables