Metanephrines Fractionated, Random Urine Test (7645U)
||Metanephrines Fractionated, Random Urine
||Metanephrine (Creatinine corrected); Normetanephrine (Creatinine corrected)
||Endocrinology; This test is New York State approved.
||High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
||2 mL Urine
||Plastic container (preservative-free)
||Patient Preparation: If possible, the patient should abstain from medications for 72 hours prior to collection.
Specimen Preparation: Transfer a 4 mL aliquot from a 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. Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen. Record collection time on transport tube and test request form. Do not use Boric Acid.
|Light Protection Required
||Room Temperature: 7 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s)
|Day(s) Test Set-up / TAT
||[LC-MS/MS] Monday Thursday / 1 day
|Suggested CPT Code
|Test Summary Sheet
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.