Methodology
Gas Chromatography-Mass Spectrometry (GC-MS)
Synonyms
Campesterol; Desmosterol; Desmosterolosis; Lathosterol; Phytosterolemia; Phytosterols; Sitosterol; Sitosterolemia; Tendinous Xanthomatosis
Specimen Type
Plasma
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Monday, Wednesday, Friday
Standard TAT
3-9 Days
Collection Information
Specimen Required
1 mL Blood
Container Type
Dark Green (Sodium Heparin)
Collection Instructions
Plasma collected in an EDTA (lavender-top) or ACD Solution A/B (yellow-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 90 Days; Frozen: 90 Days (Preferred)
Test Volume Required
0.5 mL Plasma
Minimum Test Volume
0.2 mL Plasma
Included Tests
Desmosterol, Lathosterol, Campesterol, Sitosterol and Cholestanol.
CPT Codes
82542