Analytical Range:
0.15 - 10 ug/L

Time Limit for Add on Tests:
4 days

Target Turnaround time:
1 working day

Further Information from LabTestsOnline

Requesting requirements:
Request is to include time/date of last dose; dose is to be 6-8 hours prior to sampling

Tube Type:
Serum (Gold Top)

North Devon District Hospital (24/7)
Please indicate time of last dose

Reference Range:

All0.5 - 2.0 ug/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