Vanillylmandelic Acid, Urine 24 Hour
Test Mnemonic
UVMA24
CPT Codes
- 84585 - QTY (1)
Aliases
- VMA
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Urine, 24-hour (well-mixed) | Clean container (No preservatives) | 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) |
Special Info
Urine, 24-hour (well-mixed) in a clean container with no preservatives.
Clinical Limitation
Urine Vanillylmandelic Acid (VMA) test performed by Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS). Results obtained with different methods or kits cannot be used interchangeably.