Serotonin (5-hydroxytryptamine, 5-HT, Hydroxyindole Acetic Acid, 5-HIAA, 5-hydroxyindoleacetic acid)
All GP & Community samples sent to Ipswich hub. Colchester Acute sent to (COL) Blood Sciences, URGENT Community/Primary Care (NEE) sent in RED sample bag to Colchester Blood Sciences
Hospital or GP.
7.5ml Li Heparin
*If Urgent Colchester Request*: l:Leeds, TAT Approx 20 days
Overnight fast - avoid serotonin containing foods day before blood collection i.e. bananas, walnuts, pineapples, tomatoes, plums, avocado.