
Quest Diagnostics, Inc.
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QUEST DIAGNOSTICS HAIRCHECK-DT (THC) is an FDA 510(k)-cleared medical device (K040257) manufactured by Quest Diagnostics, Inc.. This device is classified under the Clinical Toxicology specialty. FDA Device Class II (Special Controls) — moderate risk, requires 510(k) clearance. FDA clearance granted on June 13, 2004. Regulation: 8.