FDA cleared the MDx-Chex for BCY from Streck, LLC on Mar 17, 2026 under K254167, a traditional 510(k). The device falls under product code PMN, Assayed External Control Material For Microbiology Nucleic Acid Amplification (Nat) Assays, regulated at 21 CFR 866.3920 as a Class 2 device. The review panel was Microbiology.

FDA logged the submission as received on Dec 23, 2025. The decision came 84 days later, inside the 90 FDA-day goal for a 510(k).

Streck, LLC has 2 other decisions in the tracker over the last 12 months: K260041 (MDx-Chex for BCP), K254166 (MDx-Chex for BCN).