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Blood Sciences

Blood Test Information

Carbohydrate Deficient Transferrin
(a.k.a CDT)
minimum sample volume required ~ 5ml

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Test Code: CDT

Special instructions

Reference Range
≤1.5% No excess alcohol intake.
1.6-1.9% Intake may be high, but not necessarily in the range of dependence.
≥2% Indicates excess alcohol intake.

Sent away to King's College Hospital, London
Contact Laboratory before requesting

as % of Transferrin

Turnaround Time
14 days

Department: Biochemistry

Clinical Application
Test used as a marker for alcohol abuse.


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