The Validate D-Dimer calibration verification and linearity test kit from LGC Maine Standards, Cumberland, Maine, has received FDA premarket notification (510(k)) clearance for use on ACL Top hemostasis test systems from Instrumentation Laboratory, Bedford, Mass. The kit evaluates D-Dimer in a human-plasma base matrix. The ready-to-use liquid agents should be stored at –10 to –25°C. Users add the product from the dropper bottle directly into a sample cup and run in replicates. LGC Maine Standards MSDRx data reduction software is available for real-time data analysis. Laboratories can also send their data to LGC Maine Standards, where a technical specialist will complete the data analysis and return a report within 5 business days. For more information, visit LGC Maine Standards.