Sterols, Plasma

Alphabetical Test listing

Sterols, Plasma-994

  
Sterols, Plasma
  
994
  
LAB994
  
MSO
  
STER
Campesterol
Desmosterol
Desmosterolosis
Lathosterol
Phytosterolemia
Phytosterols
Sitosterol
Sitosterolemia
Tendinous Xanthomatosis
MEND
CDPX2
SC4MO
Cholestanol
Dimethylsterol
Methylsterol
  

This is a screening test for disorders of cholesterol biosynthesis including desmosterolosis, lathosterolosis, cerebrotendinous xanthomatosis, sitosterolemia, sterol C4 methyl oxidase deficiency, and EBP gene disorders (X-linked dominant chondrodysplasia punctata type 2 and MEND [male EBP disorder with neurologic defects] syndrome).

  

Dk green Lithium heparin (Li hep), no gel

Dk green Sodium heparin (Na hep), no gel

 

  
0.5 mL
  
0.1 mL
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Screw cap transfer vial/tube (Mayo T914), labelled as plasma
  3. Freeze
  

Screw cap transfer vial/tube (Mayo T914)

  
EDTA plasma
  

Lavender (EDTA), 4mL

  

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Screw cap transfer vial/tube (Mayo T914) labelled as EDTA plasma
  3. Freeze 
  

Frozen (preferred) - 92 days

Ambient - 14 days

Refrigerated - 28 days

  

Gross hemolysis, lipemia or icterus

  
Mayo Clinical Laboratories (STER); R-NX
  
Tu, Fr
  
3 - 7 days
  

Gas Chromatography Mass Spectrometry (GC-MS)

  

See report

  
82542
  
07/15/2026
  
07/15/2026