HVA (Homovanillic Acid), 24 Hour Urine Test (7638UH)
| Analysis Code |
7638UH |
| Test Name |
HVA (Homovanillic Acid), 24 Hour Urine |
| Test Includes |
Homovanillic Acid |
| Compound Synonym(s) |
Homovanillate |
| Purpose |
Endocrinology; This test is New York State approved. |
| Category |
Catecholamine Metabolite |
| Method(s) |
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) |
| Specimen Requirements |
1 mL 24 Hour Urine |
| Transport Temperature |
Refrigerated |
| Specimen Container |
NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test. |
| Special Handling |
Add 25 mL of 50% acetic acid or 25 mL of 6N HCl at the start of the collection. Refrigerate immediately. Avoid alcohol, tobacco (including use of nicotine patch), tea and coffee, bananas, citrus fruits and strenuous exercise prior to specimen collection. Avoid medications for 3 days prior to specimen collection.
Please provide:
(1) Total urine volume; and
(2) Collection Start and End Date/Time OR the Collection Time Interval. |
| Light Protection Required |
Not Required |
| Stability |
Room Temperature: 2 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): Undetermined |
| *Rejection Criteria |
Received Room Temperature. |
| Day(s) Test Set-up / TAT |
[LC-MS/MS] Monday-Sunday / 7 days |
| Suggested CPT Code |
83150 |
| **Minimum Volume |
0.25 mL |
| Test Summary Sheet |
Generate
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You are viewing HVA (Homovanillic Acid), 24 Hour Urine Test (7638UH)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.