FDA cleared the IDS-iSYS Total Testosterone from Immunodiagnostic Systems Limited on Apr 15, 2026 under K252728, a traditional 510(k). The device falls under product code CDZ, Radioimmunoassay, Testosterones And Dihydrotestosterone, regulated at 21 CFR 862.1680 as a Class 1 device. The review panel was Clinical Chemistry.

FDA logged the submission as received on Aug 28, 2025. The decision came 230 days later, longer than the 90 FDA-day review goal, which usually means at least one additional information request.

This is the only decision on file for Immunodiagnostic Systems Limited in the last 12 months of the tracker.