Test directory: Catecholamines, Fractionated

Ordering Code 583
Test Name Catecholamines, Fractionated
Alias Catecholamines, Plasma
Epinephrine, Norepinephrine,
Dopamine
Preferred Specimen Plasma
Preferred Container Sodium Heparin (Green)
Draw 2 full tubes. Pre-chill the tubes.
Other Specimen/Container Plasma in EDTA, K2 (Lavender)
Optimum Volume 5 mL
Collection Instructions OVERNIGHT FASTING IS PREFERRED
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 Instructions Separate and freeze immediately.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Ambient: 6 Hours
Refrigerated: 6 Hours
Frozen: 1 Month
Rejection Criteria Received ambient or refrigerated at reference lab, Thawed
Avail. Stat NO
Analytic Time Up to 5 Days
Methodology High Performance Liquid Chromatography (HPLC),
Electrochemical Detection
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of October 30, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Epinephrine ALL See report.
Norepinephrine ALL See report.
Dopamine ALL See report.
Catecholamines, Total ALL See report.