7 Dehydrocholesterol, Blood (Referred Out ) - Saskatoon
Discipline
Biochemistry
Overview
Description
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Fasting specimen preferred
Specimen Information
Specimen types accepted
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Serum
Specimen collection container
- Preferred collection container: Gold (gel)
- Alternative collection container: Red (non-gel)
Collection procedure
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Aliquot serum as soon as possible into amber tube to protect from light
- Specimen must be frozen within 24 hours of collection.
Required volume
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Optimal volume: Full 5.0 mL collection tube
- Minimum volume: 1 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection)
Rejection criteria
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Pathology and Laboratory Medicine Acceptance and Rejection Criteria
- Not frozen within 24 hours of collection
- Not protected from light
Testing Information
Clinical interpretation
- Diagnosis of Smith-Lemli-Opitz (SLO) syndrome
Performance
Days/times performed
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Testing Site |
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Maximum laboratory time
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35 day turnaround time by testing laboratory
Last Updated: September 27, 2024