Plus Therapeutics Secures Highmark Coverage for CNSide® CSF Assay, Expanding Reimbursement to ~75 Million Covered Lives

HOUSTON, April 02, 2026 (GLOBE NEWSWIRE) -- CNSide Diagnostics, LLC, a wholly-owned subsidiary of Plus Therapeutics, Inc. (Nasdaq: PSTV) (“Plus” or the “Company”), today announces a new payer coverage agreement with Highmark, effective April 1, 2026, providing reimbursement for its CNSide® Cerebrospinal Fluid (CSF) Tumor Cell Enumeration (TCE) assay for patients with metastatic central nervous system cancers. Highmark joins a growing list of national and regional payers, including United Healthcare and Humana, that provide coverage for CNSide.