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Vitamin A


Vitamin A
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Reference Range:

Vitamin A (µmol/L):
Up to 6 years 0.70 – 1.50
From 7 to 12 years 0.90– 1.70
From 13 to 19 years 0.90– 2.50
Adult female 0.99 – 3.35
Adult male 0.77 – 3.95

Turnaround Time:

1 week


Vitamin A

Sample Requirements:

Separate on day of collection.
Store at 4°C.
Minimum 0.5 mL serum.

Important Information:

If possible vitamin supplementation should be stopped two days prior to collecting samples since vitamins can appear in the blood up to 32 hours after ingestion.

Entry last modified 05.08.14

Reference Lab Description:

Birmingham, City Hospital Biochemistry Dept