Vitamin D


Analytical Range:
7.5 - 250 nmol/L

Time Limit for Add on Tests:
4 days

Target Turnaround time:
1 working day

Further Information from LabTestsOnline

Tube Type:
Serum (Gold Top)

North Devon District Hospital (Mon-Fri)

Reference Range (16+ years):
Deficient: <10 nmol/L
Insufficient: 10 - 35 nmol/L
Adequate: 36 - 60 nmol/L
Optimal: >60 nmol/L

Patient preparation:
If taking supplements which may contain Biotin (Vitamin B7), do not take in the 8 hours prior to blood test - they may contain agents which affect the analysis

Last updated: March 3, 2021