Home » Test Directory » Catecholamines, Fractionated, 24-Hour Urine with Creatinine

Catecholamines, Fractionated, 24-Hour Urine with Creatinine QCF24U

Specimen Required
Method(s)	High Performance Liquid Chromatography (HPLC)
Synonym	Adrenaline, Epinephrine, Noradrenaline, Catecholamines, Free, Dopamin, Norepinephrine
Components	Creatinine, Norepinephrine, Epinephrine, Dopamine, and Total Catecholamines (calculated)
Collect	24-hour urine collection.
Transport	10 mL aliquot from a 24-hour urine that has been preserved with 25 mL 6N HCl, collected in a plastic, 24-hour urine (Min: 5 mL). * Collection Instructions * Collect 24-hour urine with 25 mL of 6N HCl to maintain a pH equal to or greater than 3. If no preservative is used, specimen must be stored refrigerated during collection but shipped frozen and pH must be equal to or greater than 6. Record 24-hour urine volume and patient's age on test request form and urine container.
Remarks	Preserved urine: Room temperature Unpreserved urine: Frozen
Stability	Preserved urine Ambient: 7 days Refrigerated: 30 days Frozen: 49 days Unpreserved urine Ambient: Unacceptable Refrigerated: Unacceptable Frozen: 30 days
Unacceptable Conditions	Preserved urine received refrigerated with pH greater than 3 Unpreserved urine received frozen with pH greater than 6

Schedule	Mon-Sat; Report available: 6-7 days
CPTCode	82384, 82570
Notes	Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
24-Hour Urine Collection Container