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HelpCatecholamines Fractionated, plasma
Collection Restrictions
- Overnight fasting is required
- Patient should avoid alcohol, coffee, tea, tobacco, and strenuous exercise prior to collection
- Patients should be relaxed in either a supine or upright position before blood is drawn. States of anxiety and stress can cause fluctuations in the catecholamine levels
Collection Requirements
Source: blood
Container: Must be pre-chilled
- Preferred: Sodium heparin green tube
- Acceptable: Lithium heparin green tube
Volume: 4 mL in vacutainer
Special Instructions
Place on ice and send to the lab immediately
Must be processed within 1 hour of collection
Turn Around Time
5-8 days
Availability
Routine
Includes
Dopamine, Epinephrine, Norepinephrine and Total Catecholamines (calculated)
Lab Processing Instructions
Specimen: plasma
Spin, separate, and freeze (plasma must be free of RBC)
Performing Laboratory
Quest Nichols
Adele Hall Lab Section
Sendouts
Instrumentation/Methodology
High Performance Liquid Chromatography (HPLC) Electrochemical Detection
Reference Ranges
See Report
CPT
82384