2 - 9 days
Looking to order a test?
We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).
Therapeutic Drug Monitoring
Clonazepam Anticonvulsant: 20 – 70 ng/mL; Anxiolytic: 4 – 80 ng/mL. Some individuals may show therapeutic response outside of these ranges, or may display toxicity within the therapeutic range, thus interpretation should include clinical evaluation. Note: Therapeutic ranges are for specimens drawn at trough (ie, immediately before next scheduled dose). Levels may be elevated in non-trough specimens.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a red top tube; do not use SST tube. Send to Specimen Processing in a green bag
Collect specimen in a red top tube; do not use SST tube. Centrifuge within 2 hours, aliquot serum into a plastic vial and refrigerate.