XXE5XBBMeasurement of Infection and Immune Response, Gene Expression Testing System, New Technology Group 11

ICD-10-PCS XXE5XBB
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

XXE5XBB is a billable ICD-10-PCS procedure code for Measurement of Infection and Immune Response, Gene Expression Testing System, New Technology Group 11. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Measurement involves determining the level of a physiological or physical function at a point in time.

Code Identity

ICD-10-PCS Code
XXE5XBB
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Infection and Immune Response, Gene Expression Testing System, New Technology Group 11
Parent Code
Short Description
Measure of Infect/Imm Respons, Gene Exprsion, New Tech 11

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
4BodyPart5Circulatory
5ApproachXExternal
6Device/Substance/TechnologyBInfection and Immune Response, Gene Expression Testing System
7QualifierBNew Technology Group 11

Code History

FY 2026New code, effective October 1, 2025.
Replaces previously assigned code(s):
  • 8C02X6K — Collection of Blood from Indwelling Device in Circ Sys

Similar Procedure Codes

Questions About XXE5XBB

Is XXE5XBB a billable code?

Yes. XXE5XBB is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Infection and Immune Response, Gene Expression Testing System, New Technology Group 11 on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in XXE5XBB mean?

XXE5XBB 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 5 is the BodyPart (Circulatory); the 5th character X is the Approach (External); the 6th character B is the Device/Substance/Technology (Infection and Immune Response, Gene Expression Testing System); the 7th character B is the Qualifier (New Technology Group 11).