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Blood Sciences

Blood Test Information

minimum sample volume required ~ 4ml

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Test Code: GUT

Tube type: EDTA

Special instructions
A special sample collection procedure is required, laboratory MUST be contacted before requesting.
An 8 hour fast prior to the sample being collected is required.
For a full gut hormone profile 3 EDTA tubes must be received on ice.

Sent away to Charing Cross Hospital, London
Contact Laboratory before requesting

Reference range
0 - 40


Linked to
Gut Hormones

Turnaround Time
28 days

Department: Biochemistry

Clinical Application
Useful in diagnosis of gastrin-secreting tumour, which may occur as part of Multiple Endocrine Adenopathy: measurement of Chromogranin A can also be useful in this context. H2-antagonists should be withdrawn for at least 3 days and PPIs for at least 2 weeks prior to measurement. If this is not feasible for clinical reasons, please contact lab.


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