Test directory: Catecholamines,Fract & Creat,Ran Ur

Ordering Code4393
Test NameCatecholamines,Fract & Creat,Ran Ur
AliasCatecholamines, Fractionated, w/
Creatinine, Random Urine
Catecholamines, Fractionated
Catecholamines, Free Adrenaline &
Noradrenaline, Epinephrine
Norepinephrine, Dopamine
Preferred SpecimenUrine, Random
Preferred ContainerSterile Container
Other Specimen/ContainerRandom Urine in Clean Container
Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen.
Optimum Volume20 mL
Collection InstructionsPatient age & sex required on requisition
Patient should avoid alcohol, caffeine (coffee, tea, energy drinks, etc.), nicotine (tobacco), and strenuous exercise prior to collection. It is preferable for the patient to be off medications for 3 days prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference.
Handling InstructionsAdjust to pH<3 with 6N HCl.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 1 Week
Refrigerated: 1 Month
Frozen: 7 Weeks
Rejection CriteriapH>3 and not frozen.
Avail. StatNO
Analytic TimeUp to 6 Days
MethodologyHigh Performance Liquid Chromatography with Electrochemical
Detection (HPLC)
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
EpinephrineALLSee report.
NorepinephrineALLSee report.
Calculated Total (E+Ne)ALLSee report.
DopamineALLSee report.
Creatinine, Random UrineALLSee report.