XXE0X48Measurement of Brain Electrical Activity, Computer-aided Semiologic Analysis, New Technology Group 8

  • Billable / Specific Code
ICD-10-PCS XXE0X48
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

XXE0X48 is a billable ICD-10-PCS procedure code for Measurement of Brain Electrical Activity, Computer-aided Semiologic Analysis, New Technology Group 8. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Measurement involves determining the level of a physiological or physical function at a point in time. The Alphabetic Index lists this code under Nelli(R) Seizure Monitoring System. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Electroencephalogram (EEG).

Code Identity

ICD-10-PCS Code
XXE0X48
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Brain Electrical Activity, Computer-aided Semiologic Analysis, New Technology Group 8
Short Description
Measure of Brn Elec Activ Comp-aid Semiol Anlys, New Tech 8
Parent Code

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.

PositionDesignationValueMeaning
1SectionXNew Technology
2Body SystemXPhysiological Systems
3OperationEMeasurement
4BodyPart0Central Nervous
5ApproachXExternal
6Device/Substance/Technology4Brain Electrical Activity, Computer-aided Semiologic Analysis
7Qualifier8New Technology Group 8

In the ICD-10-PCS Alphabetic Index

The FY 2027 ICD-10-PCS Alphabetic Index refers to XXE0X48 as Nelli(R) Seizure Monitoring System. These index entries lead to this code:

Direct entry for this code
Brain Electrical Activity, Computer-aided Semiologic Analysis
Direct entry for this code
New Technology, Brain Electrical Activity, Computer-aided Semiologic Analysis
Direct entry for this code

To code brain electrical activity of the computer-aided semiologic analysis, open the FY 2027 ICD-10-PCS Alphabetic Index at Brain Electrical Activity, then the subterm Computer-aided Semiologic Analysis. The entry lists XXE0X48 directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MAM011
Electroencephalogram (EEG)
Clinical domain: Measurement and Monitoring

Similar Procedure Codes

Questions About XXE0X48

Is XXE0X48 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Brain Electrical Activity, Computer-aided Semiologic Analysis, New Technology Group 8 on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for Nelli(R) Seizure Monitoring System?

The ICD-10-PCS Alphabetic Index lists Nelli(R) Seizure Monitoring System under code XXE0X48, Measurement of Brain Electrical Activity, Computer-aided Semiologic Analysis, New Technology Group 8, billable on inpatient claims in fiscal year 2027.

What do the characters in XXE0X48 mean?

The code breaks down character by character: the 1st character X is the Section (New Technology); the 2nd character X is the Body System (Physiological Systems); the 3rd character E is the Operation (Measurement); the 4th character 0 is the BodyPart (Central Nervous); the 5th character X is the Approach (External); the 6th character 4 is the Device/Substance/Technology (Brain Electrical Activity, Computer-aided Semiologic Analysis); the 7th character 8 is the Qualifier (New Technology Group 8).