AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2025 Issue 4; ICD-10-PCS New/Revised Codes Section X—New Technology

Gene Expression Testing System for Whole Blood Samples

In table XXE, Measurement of Physiological Systems, technology value B Infection and Immune Response, Gene Expression Testing System, was added to the body part value 5 Circulatory, to capture a gene expression testing system for whole blood samples.Body Part Approach Device/Substance/Technology Qualifier 5 Circulatory X External B Infection and Immune Response, Gene Expression Testing System B New Technology Group 11 For example, the TriVerity™ test measures 29 host response mRNA genes to score the likelihood of bacterial infection, viral infection, and the severity of illness. The test is performed on patients suspected of an acute infection with one...

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