Globenewswire·2025-09-25 11:30Core Insights - CNSide Diagnostics, LLC has signed a national agreement with UnitedHealthcare Insurance Company, covering over 51 million people in the U.S. for the CNSide Cerebrospinal Fluid Tumor Cell Enumeration laboratory developed test [1] Company Overview - CNSide Diagnostics, LLC is a subsidiary of Plus Therapeutics, Inc., focused on developing proprietary laboratory-developed tests to identify tumor cells in patients with carcinomas and melanomas [4] - Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company based in Houston, Texas, developing targeted radiotherapeutics for challenging cancers of the central nervous system [5] Product Details - The CNSide CSF Assay Platform supports rapid diagnoses, treatment monitoring, and guidance for patients with leptomeningeal metastases, demonstrating superior clinical utility over standard care [2] - More than 11,000 CNSide tests have been performed at over 120 U.S. cancer institutions since 2020, achieving high sensitivity of 92% and specificity of 95%, influencing treatment decisions in 90% of cases [3] Market Impact - The agreement with UnitedHealthcare is expected to enhance the accessibility of the CNSide CSF Assay, potentially increasing its market penetration and utilization among healthcare professionals [1][2]