A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Smith-Lemli-Opitz Screen, Plasma
Test Code15992
CPT Codes
82542<br /> **This test is not available for New York patient testing**
Includes
7-Dehydrocholesterol and 8-Dehydrocholesterol
Preferred Specimen
0.5 mL plasma collected in a sodium or lithium heparin (green-top) tube
Patient Preparation
Fasting (12 hours or more, infants just before next feeding)
Minimum Volume
0.2 mL
Other Acceptable Specimens
Plasma collected in an: EDTA (lavender-top) tube, or EDTA (pearl white-top) (plasma gel), or ACD (yellow-top) tube
Instructions
Spin down within 45 minutes of draw.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 28 days
Frozen: 92 days
Refrigerated: 28 days
Frozen: 92 days
Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
Setup Schedule
Set up: Batched once a week; Report available: 3-9 days
Report Available
9 Days
Reference Range
7-Dehydrocholesterol | ≤2.0 mg/L |
8-Dehydrocholesterol | ≤0.3 mg/L |
Performing Laboratory
Mayo Clinic Laboratories
200 First Street SW
Rochester, MN 55905