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Item Value
Approval req'd? No
Available Stat? No
Test code CLON
Performed by Quest
Sendout? Yes
Method LC/MS
Collection Instructions Do NOT use serum separator tube.
Container type Red top
Amount to Collect 4 mL blood
Sample type Serum
Preferred volume 2 mL serum
Min. Volume 1 mL serum
UCSF Rejection Criteria Sample collected in Gold top
Processing notes Freeze at -20C.
Units µg/L (mcg/L)
Normal range
Therapeutic 30-60 µg/L
Potentially toxic > 70 µg/L.
Synonyms Klonopin
Turn around times Test run 4x per week. Turnaround time: 3-5 days.
CPT coding 80346-90
LOINC code 3494-2
Last Updated 6/21/2016 08:13:27
Entry Number 219
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