Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Synonyms
Glucopsychosine; Glucosylsphingosine; Gaucher disease; Lyso-GL1
Specimen Type
Plasma
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Tuesday and Thursday
Standard TAT
3-7 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
EDTA (Lavender-Top) Tube
Collection Instructions
Plasma collected in a sodium heparin or lithium heparin (green-top) or ACD Solution B (yellow-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Frozen Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 65 Days (Preferred)
Rejection Criteria
Gross hemolysis; Gross lipemia; Gross icterus
Test Volume Required
0.3 mL Plasma
Minimum Test Volume
0.25 mL Plasma
Processing Instructions
Centrifuge sample at 4 degrees C; if possible or as soon as possible. Do not disturb buffer coat layer. Order test in Mayolink and send with Mayo courier Monday-Friday.
CPT Codes
82542
Revised
7/19/23
Initials
SA