Sterols, Plasma

Abbrev Code:STERPL   
Order Code:LAB6796Order Name:Sterols, Plasma
Methodology:Gas chromatography/Mass spectrometry (GC-MS)/Gas chromatography-Flame ionization detection
CPT Codes: 82542 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-9 days.
Special Instructions:Indicate patient's age and sex.

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Collection Instructions

Optimal Volume:1.2 mL
Minimum\Peds Volume:0.6 mL
Container:Green (sodium heparin, no gel)
Alternate Containers: Purple (EDTA)
Patient Preparation:A fasting specimen (12 hours or more) is required. For infants collect just before next feeding.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.5 mL, 0.2 mL minimum within 45 minutes of collection. Store frozen.
Shipping Instructions:Ship on dry ice.
Stability:90 days refrigerated or frozen (preferred).
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:STER


Reference Range:
Desmosterol 0.0-0.2 mg/L
Lathosterol 0.0-3.0 mg/L
Campesterol 0.0-7.0 mg/L
Sitosterol 0.0-5.0 mg/L
Cholestanol 0.0-5.0 mg/L


Use:Investigation of possible desmosterolosis (desmosterol reductase deficiency) and sitosterolemia.

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