Catecholamines Fractionated, 24 Hour Urine Test (7631UH)

Catecholamines Fractionated, 24 Hour Urine Test (7631UH)

Analysis Code 7631UH 
Test Name Catecholamines Fractionated, 24 Hour Urine 
Test Includes Dopamine; Epinephrine; Norepinephrine 
Purpose Endocrinology; Currently this test is not New York State approved.  
Category Catecholamine 
Method(s) High Performance Liquid Chromatography/
TandemMass 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

Norepinephrine, Epinephrine and Dopamine have demonstrated loss of stability with handling procedures that do not include addition of acid and pH adjustment, even when frozen.  
*Rejection Criteria Received Room Temperature. 
Day(s) Test Set-up / TAT [LC-MS/MS] Monday-Friday / 5 days 
Suggested CPT Code 82384 
**Minimum Volume 0.3 mL 
Test Summary Sheet Generate  

You are viewing Catecholamines Fractionated, 24 Hour Urine Test (7631UH)
*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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