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Blood Sciences

Blood Test Information

CSF Neurotransmitters
(a.k.a CSF monoamine metabolites, HVA, 5HIAA, Pterin (CSF))

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Special instructions
Special collection bottles and protocol must be used. Please contact lab for details.

Reference ranges
HVA:5HIAA ratio: 1 - 3.7
Neopterin: 7 - 65
Dihydrobiopterin: 0.4 - 13.9
All others have age related reference ranges, please see report or contact lab.

Sent away to Institute of Neurology, London
Contact Laboratory before requesting


Turnaround Time
21 days

Department: Biochemistry


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