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About This Test

Department: Biochemistry


  • Gel/clotted (yellow/red top)

Add-on requests are accepted up to 48 hours post sampling


Turnaround Time:

Within 24 hours


Investigation of anaemia, especially macrocytic anaemia

Samples will not be analysed if previous analysis performed within 3 months. If there is a specific clinical reason for analysis within this timeframe, please state this on the request card

Reference ranges:

Age range Reference range (ng/mL)
All ages/sexes 3 - 12

Results outside the reference range do not necessarily indicate disease. Similarly, results within the reference range do not preclude abnormality. Please contact the Duty Biochemist for discussion of individual patient results.

Other Comments:

For more information, please see the following: Folate - Lab Tests Online

See also: Vitamin B12Transferrin saturationFerritin