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Thiopurine Metabolites

Item Value
Available Stat? No
Test code THM
Performed by Quest
Sendout? Yes
Method LC/MS/MS
Collection Instructions Collect as a trough specimen 1 hour prior to next dose
Container type Lavender top (6 mL size)
Amount to Collect 5 mL
Sample type EDTA whole blood
Preferred volume 5 mL blood
Min. Volume 2.5 mL blood
UCSF Rejection Criteria Hemolyzed or clotted samples.
Processing notes Refrigerate sample, DO NOT aliquot. or freeze Transport to China Basin refrigerated. Quest order code is #91745
Ref Lab Rejection Criteria Frozen, hemolyzed or clotted samples.
Normal range
Synonyms 6-Thioguanine; 6-TG; 6-MMP
Stability Room temperature 2 days, refrigerated 5 days. Frozen samples are unacceptable.
CPT coding 83789-90
LOINC code 32660-3, 32654-6
Last Updated 7/6/2015 8:35:06 AM
Entry Number 1628
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