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Test and Tubes Database
ID:476 Monoamine Metabolites and Neopterin
Search Links: General Info : Protocols : LabTestsOnline

DescriptionNeurotransmittere metabolites. CONTACT CLINICAL BIOCHEMISTRY BEFORE CARRYING OUT THIS TEST. Three samples are needed - Tube 1 - 0.5 mL for HVA & 5HIAA. Tube 2 - 0.5 mL. Tube 3 (with preservative - DTE DETAPAC) - 1.0 mL for Pterin analysis. Collect tubes and collection instructions from Biochemistry on day of procedure.
Indication
Additional Info
Concurrent Testsna
Dietary Requirementsna
InterpretationReference intervals are age related for HVA and 5HIAA. HVA:5HIAA ratio - 1.0-3.7. Neopterin 7 - 65 nmol/L. Dihydrobiopterin <0.4 - 13.9 nmol/L.

DepartmentBiochemistry
SampleCSF
Tube
Tube Picture
Collection ConditionsThe samples should be sent to the Laboratory on dry ice as they MUST be frozen at the bedside. CAUTION - pterin cannot be measured on blood-stained CSF samples. Sample tubes(x3) to be collected form the laboratory.
Min. VolSee additional requirements
Freq.Referred to external laboratory

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesReference intervals are age related for HVA & 5HIAA. HVA:5HIAA ratio 1.0-3.7. Neopterin 7-65 nmol/L. Dihydrobiopterin <0.4-13.9 nmol/L.
Units - Not Defined -
IP Acute TATAt least 4 weeks
IP Routine TATAt least 4 weeks
GP Acute TATAt least 4 weeks
GP Routine TATAt least 4 weeks
Turnround CommentProf Simon Heales (GOS/NAT):geoff.lynes@uclh.nhs.uk

Originally edited by : . Review due on 17/10/2017. Published By on 17/10/2017.