November 3, 2025

The November 2025 Test Bulletin from Alverno Laboratories announces updates to several diagnostic tests. Testosterone Free, Calculation testing now requires two red-top serum tubes combined into one refrigerated transport tube. The Microsporidia Exam has been reclassified under a new interfaced Soft code (MICSP) with no specimen changes. Additionally, Cystic Fibrosis Sputum Cultures will now be referred to Mayo Clinic Laboratories, with strict collection and delivery requirements due to limited specimen stability.