Serotonin 5-HIAA, 24-Hour ( 5-Hydroxyindoleacetic Acid )
Order Name
SEROTON U
Test Number: 3808450
Revision Date 03/17/2023
Test Number: 3808450
Revision Date 03/17/2023
Test Name | Methodology | LOINC Code |
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Serotonin 5-HIAA, 24-Hour ( 5-Hydroxyindoleacetic Acid )
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High Performance Liquid Chromatography |
SPECIMEN REQUIREMENTS | ||||
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Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
Preferred | 4 mL (1 mL) | Urine, 24-hour | 24 hour Urine Container | Room Temperature |
Instructions | This is not for Random Urine Collections Notes: 1 mL aliquot (Note: This volume Does NOT allow for repeat testing). Specimen Type: Plastic urine container, no preservative (NOTE: 1 g/L boric acid may be added as a preservative for other tests without harm to 5-HIAA.) Container Detail: No preserv Specimen Storage: Room Temperature Specimen Collection: Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Label container with patient's name, date, and time. Measure and record total urine volume. Mix well; send aliquot. Special Instructions: Measure and record total 24-hour urine volume on the request form. Specimen Stability: Ambient: 7 days, Refrigerated : 14 days, Frozen: 14 days |
GENERAL INFORMATION | |
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Expected TAT | 4 - 8 days |
Performing Labcorp Test Code | 004069 |
Notes | Labcorp Test Code: 004069 |
CPT Code(s) | 83497 |
Lab Section | Reference Lab |