Q371

Test CODE NAME

Q371

Catecholamines Fractionated by LC-MS/MS, Urine Free

Methodology: Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed: Sun-Sat
Reported: 2-4 days
Specimen Required: Patient Preparation: Drugs and medications may affect results and should be discontinued for at least 72 hours prior to specimen collection, if possible.
Collect: 24-hour OR Random Urine - 4 ml urine. Refrigerate 24-hour specimen during collection.
Specimen Preparation:  Catecholamines are not stable above pH 7. The pH of such specimens must be adjusted by the addition of acid prior to transport. A pH less than 2 can cause assay interference. Record total volume and collection time interval on transport tube and test request form. 
Storage/Transport Temperature: Refrigerated. 
Unacceptable Conditions: Room temperature specimens. 
Stability: Ambient: Unacceptable; Refrigerated: 1 month; 
Note: This test is approved for NY .
Performing Lab
ARUP Laboratory
CPT Code(s): 82384