4A10X4GBillable procedure code
Monitoring of Central Nervous Electrical Activity, Intraoperative, External Approach
Measurement and Monitoring·Physiological Systems·Table 4A1·FY 2027
In ICD-10-PCS, code 4A10X4G describes Monitoring of Central Nervous Electrical Activity, Intraoperative, External Approach. This procedure is listed in table 4A1, part of Section 4 (Measurement and Monitoring). Its root operation is Monitoring. The approach used is External.
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What the code means
Monitoring: root operation
Determining the level of a physiological or physical function repetitively over a period of time
External: approach
Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane
Nearby codes in table 4A1
Diagnosis codes mentioning “monitoring”
- Z51.81 Encounter for therapeutic drug level monitoring
- P12.4 Injury of scalp of newborn due to monitoring equipment
- Y70.0 Diagnostic and monitoring anesthesiology devices associated with adverse incidents
- Y71.0 Diagnostic and monitoring cardiovascular devices associated with adverse incidents
- Y72.0 Diagnostic and monitoring otorhinolaryngological devices associated with adverse incidents