| EX1843 SEROTONIN (5-HT), 24 HOUR URINE |
| Specimen: |
50 mL (10 mL min.) aliquot of 24 hour urine. Collect urine with an appropriate volume of 50% HCl to maintain pH between 1-2. Do not use concentrated HCl. Record 24-hour volume on the test request form and urine container. Ship refrigerated or frozen. |
| Stability: |
| Room |
Refrigerated |
Frozen |
| 8 hrs |
7 days |
4 weeks |
|
| Method: |
LC-MS/MS |
| Comment: |
Patients with foregut Carcinoid tumors have elevated urinary serotonin levels. |
| Report: |
Contact us to know the TAT. |
| Usage: |
This test is used to diagnose and monitor a small subgroup of Carcinoid tumors (foregut Carcinoids) that produce predominately 5-hydroxytryptophan (5-HTP), but very little serotonin and chromogranin A. |
| Doctor Specialty: |
Endocrinologist |
| Disease: |
Disorders of the Endocrine System |
| Components: |
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| Courier Charges: |
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| Home Collection: |
Available (*T&C Apply) |
| Department: |
GENETICS |
| Pre Test Information: |
Patients should strictly avoid bananas, walnuts, tomatoes, pineapples, plums, gooseberries, mirabelles, melons, avocados, aubergines, kiwi fruits, and drugs like methocarbamol, mephenesin, guaifenesin, paracetamol, salicylic acid and strenuous exercise at least 48 hours before and during specimen collection. |
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