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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

7 Dehydrocholesterol
(a.k.a Provitamin D3)
minimum sample volume required ~ 5ml

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Test Code: 7DC

Tube type: SST

Other acceptable tube types
Lithium heparin (pale green)

Special instructions
Protect from light
Get to lab ASAP

Sent away to Southmead Hospital, Bristol
Contact Laboratory before requesting

Reference range


Turnaround Time
28 days

Department: Biochemistry

Clinical Application
Measurement is useful in diagnosis of Smith-Lemli-Opitz syndrome (high levels, plus low serum cholesterol)


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