Metanephrines Fractionated, 24 Hour Urine Test (7645UH)

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/
TandemMass 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  

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.


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