eMedCodes logo

4A0004Z - Measurement of Central Nervous Electrical Activity, Open Approach


The ICD 10 Code for Measurement of Central Nervous Electrical Activity, Open Approach is listed as 4A0004Z.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD-10-PCS Field Value
Procedure Code: 4A0004Z
Description: Measurement of Central Nervous Electrical Activity, Open Approach
Chapter: Measurement and Monitoring
Subsection 1: Measurement and Monitoring, Physiological Systems
Subsection 2: Measurement and Monitoring, Physiological Systems, Measurement
ICD-9-CM V. 3 (Procedures) General Equivalence Mappings (GEMS):
ICD-9 PCS Code: 89.14 - Electroencephalogram (approximate)