Serotonin (5-HT), 24 hour Urine, Serum
Sample: 5 ml Urine (50%HCL) drop by drop to pH 1-2
2ml serum Patient should strictly avoid bananas, walnuts, tomatoes, pineapples, plums, gooseberries, avocados, aubergines, kiwi fruits, chocolates and drugs like Lithium, MAO Inhibitor, Methyldopa, Reserpine, Fluoxetine and strenuous exercise at least 48 hours before and during specimen collection.
Method: LC-MS/MS
TAT: 3-5 days
