Test directory: Catecholamines, Fractionated

Ordering Code583
Test NameCatecholamines, Fractionated
AliasCatecholamines, Plasma
Epinephrine, Norepinephrine,
Preferred SpecimenPlasma
Preferred ContainerSodium Heparin (Green)
Draw 2 full tubes. Pre-chill the tubes.
Other Specimen/ContainerPlasma in Lithium Heparin (Green)
Optimum Volume5 mL
Patient should be relaxed in either a supine or upright position before blood is drawn. Record if patient is upright or supine. Patient should avoid alcohol, caffeine (coffee, tea, energy drinks, etc.), nicotine (tobacco), and strenuous exercise prior to specimen collection. Place specimen immediately in wet ice after collection.
Handling InstructionsSeparate and freeze immediately.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: 6 Hours
Refrigerated: 6 Hours
Frozen: 1 Month
Rejection CriteriaReceived ambient or refrigerated at reference lab, Thawed
Avail. StatNO
Analytic TimeUp to 5 Days
MethodologyHigh Performance Liquid Chromatography (HPLC),
Electrochemical Detection
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
EpinephrineALLSee report.
NorepinephrineALLSee report.
DopamineALLSee report.
Catecholamines, TotalALLSee report.