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ID:280 Haemoglobin F
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DescriptionHb F is the predominant type of haemoglobin found in the foetal and neonatal period.
IndicationHb F level monitoring in drug treatment or diagnosis of haemoglobinopathies
Additional InfoHb F level should NOT be requested - please request a haemoglobinopathy screen
Concurrent TestsFBC, Haemoglobinopathy Screen
Dietary RequirementsNone
InterpretationRaised Hb F levels are found with certain drug regimens (Eg. Hydroxyurea, Methotrexate), may be raised during pregnancy (up to 5%) may be raised with some haemoglobinopathies.

DepartmentSpecialist Laboratory Medicine
SampleBlood
TubeEDTA (Haem)
Tube Picture
Collection ConditionsNone
Min. Vol0.5 ml
Freq.

Ref. Range (Male)0.1 - 1.0%
Ref. Range (Female) 0.1 - 1.0%
Ref. Range (Paed)Approx. 75% at birth.
Ref. Range NotesAntenatal HbF range approx 0.1 - 5.0%. Paediatric Hb F range drops from 75% to <1.0% over first 12 months.
Units%
IP Acute TAT- Contact Laboratory
IP Routine TAT3 days
GP Acute TAT- Contact Laboratory
GP Routine TAT3 days
Turnround CommentTimes quoted are for an initial screen. Abnormal results will be confirmed by further testing which may take up to 12 weeks.

Originally edited by : RJAR. Review due on 08/01/2019 14:51:06. Published By RJAR on 08/01/2018 14:51:06.