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Clinical Biochemistry

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Vitamin D

Also known as: Cholecalciferol, 25-OH Vitamin D, 25-OHD, 25-Hydroxy Vitamin D, Vitamin D3

Specimen requirements

Sample type: Serum (Serum)

Collection requirements: No special requirements


Price on application

Turnaround time

Please see Turnaround times

Analytical method


Analysis undertaken at these site(s)

John Radcliffe Hospital

Reference intervals

Oxford Adult 25-hydroxyvitamin D Guidelines:

Greater than 50 nmol/L - vitamin D sufficiency

30-50 nmol/L - vitamin D deficiency

Less than 30 nmol/L - severe vitamin D deficiency