Metanephrines Fractionated, 24 Hour Urine Test (7645UH)
| Analysis Code |
7645UH |
| Test Name |
Metanephrines Fractionated, 24 Hour Urine |
| Test Includes |
Metanephrine; Normetanephrine |
| 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 |
2 mL 24 Hour Urine |
| Transport Temperature |
Refrigerated |
| Specimen Container |
Plastic container (preservative-free) |
| Special Handling |
Patient Preparation: If possible, the patient should abstain from medications for 72 hours prior to collection.
Collect: 24-hour or random urine. Refrigerate 24-hour specimen during collection.
Specimen Preparation: Transfer a 4 mL aliquot from a well-mixed 24-hour or random collection to a Standard Transport Tube (Min: 0.5 mL). Stability can be enhanced by adjusting the pH to 2-3 by using an acid such as 6N HCl. Record total volume and collection time interval on transport tube and test request form. |
| Light Protection Required |
Not Required |
| Stability |
Room Temperature: 7 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s) |
| *Rejection Criteria |
None |
| Day(s) Test Set-up / TAT |
[LC-MS/MS] Monday Thursday / 1 day |
| Suggested CPT Code |
82384 |
| **Minimum Volume |
0.4 mL |
| Test Summary Sheet |
Generate
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You are viewing Metanephrines Fractionated, 24 Hour Urine Test (7645UH)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.