2 - 8 days
Test Updated:
8-Dehydrocholesterol (8-DHC)
7-Dehydrocholesterol (7-DHC)
SLO (Smith-Lemli-Opitz) Syndrome
SLO
Smith-Lemli-Opitz Screen,Plas.
Looking to order a test?
We’ve provided helpful links to make ordering easy.
Find a RequisitionAll specimens should be accompanied by a requisition.
Submitting SpecimensLearn about how to properly label and where to ship specimens.
Order Kits and SuppliesMLabs provides all the supplies necessary for the collection of specimens.
Test FAQVisit our provider FAQ and learn about common questions to ordering tests.
Test Overview
Gas Chromatography/Mass Spectrometry (GC/MS)
Diagnosis of Smith-Lemli-Opitz syndrome (7-dehydrocholesterol reductase deficiency).
Negative
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a green top tube from a fasting patient (12 hour fast or just before next feeding for infants). Centrifuge, aliquot serum into a plastic vial within 45 minutes of collection and freeze.