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Item Value
Available Stat? No
Test code STER
Performed by Mayo
Sendout? Yes
Method Gas Chromatography-Mass Spectrometry (GC-MS)/Gas Chromatography-Flame Ionization Detection (GC-FID)
Patient Preparation Fasting (12 hours or more, infants just before next feeding).
Container type Dark green top or lavender top
Amount to Collect 2 mL
Sample type Plasma
Preferred volume 1 mL
Min. Volume 0.2 mL
Processing notes Spin down within 45 minutes of draw. Aliquot and freeze. Transport to CB frozen. Order Mayo test code STER.
Normal range
Stability Frozen/refrigerated: 90 days (plasma)
Turn around times 7-9 days
Additional information Testing includes desmosterol, lathosterol, campesterol, and sitosterol for the investigation of desmosterolosis and sitosterolemia.
CPT coding 82542-90
LOINC code 75740-1
Last Updated 5/31/2016 1:05:41 PM
Entry Number 1726
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