4A1034GMonitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach
- Billable / Specific Code
4A1034G is a billable ICD-10-PCS procedure code for Monitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Monitoring involves determining the level of a physiological or physical function repetitively over a period of time.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 4 | Measurement and Monitoring |
| 2 | Body System | A | Physiological Systems |
| 3 | Operation | 1 | Monitoring |
| 4 | BodySystem | 0 | Central Nervous |
| 5 | Approach | 3 | Percutaneous |
| 6 | Function/Device | 4 | Electrical Activity |
| 7 | Qualifier | G | Intraoperative |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 4A1034G under the General Equivalence Mappings.
Code History
Similar Procedure Codes
Questions About 4A1034G
Is 4A1034G a billable code?
Yes. 4A1034G is a complete seven-character ICD-10-PCS code, specific enough to report Monitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 4A1034G mean?
4A1034G breaks down character by character: the 1st character 4 is the Section (Measurement and Monitoring); the 2nd character A is the Body System (Physiological Systems); the 3rd character 1 is the Operation (Monitoring); the 4th character 0 is the BodySystem (Central Nervous); the 5th character 3 is the Approach (Percutaneous); the 6th character 4 is the Function/Device (Electrical Activity); the 7th character G is the Qualifier (Intraoperative).
What is the ICD-9-PCS equivalent of 4A1034G?
Under the General Equivalence Mappings, Monitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach crosswalks to ICD-9-PCS 94. The mapping is approximate, so confirm it fits the documentation.
