Vitamin D

Container: Serum (Gold top)

Sample type: Serum

Test name: Vitamin D a.k.a. 25-Hydroxycholecalciferol

Condition / Indication: Vitamin D deficiency

Special precautions & notes: Analysis not appropriate within 6 months of a previous result.

Reference range: The following thresholds are recommended: Less than 25 nmol/L = Severe deficiency, treat with high strength Vitamin D loading dose; 25 - 50 nmol/L = Insufficiency, supplements recommended; above 50 nmol/L = Adequate but provide lifestyle advice and consider supplements particularly in high risk groups. See BNSSG Adult Guidlines for Vitamin D deficiency for more information.

Container: Serum (Gold top)

Ideal volume (mL): 5 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: 7 days