5-Hydroxyindoleacetic Acid, Urine 24 Hour
Test Mnemonic
UHIAAD
CPT Codes
- 83497 - QTY (1)
LOINC ®
1695-6
Aliases
- 5-HIAA, Urine
- HIAA, Urine
- HIAA-5, Urine
- Hydroxyindole Acetic Acid, Urine
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Urine, 24-hour (well-mixed) | 24 HR Urine Container | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 14 days |
| Frozen | 14 days |
| Ambient | Unacceptable |
Days Performed
2 days per week
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS) |
Reference Range
| 5-HIAA | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | <7.7 | mg/24 hrs |
Clinical Limitation
5-Hydroxyindoleacetic Acid (5-HIAA) test performed by Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS). Results obtained with different methods or kits cannot be used interchangeably.