Laboratory Medicine

Test catalogue

Catecholamines, Plasma
Test Name Catecholamines, Plasma (Epinephrine, Norepinephrine)
Specimen Type / Requirements Container Type = 2 Lavenders Minimum Testing Volume = 3mL Plasma (EDTA) Tubes must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect Sample in pre-chilled lavender top. Patient must be supine for at least 30 minutes prior to and during specimen collection. Collect after overnight fast (water and non-caffeinated drinks permissible). Catechol drugs may interfere, including alpha methyldopa, alpha-methyl-para-tyrosine, isoproteronal, dobutamine and carbidopa. Provide list of medications. Write your initials, date and time of collection on the collection label. Laboratory Staff Instructions Specimen should be kept cold and spun in a cold centrifuge as soon as possible, within 60 minutes of collection. Freeze immediately. If the specimen thaws, it is unsuitable for analysis Stability: Stable frozen for one week. Rejection Criteria: Serum, unlabeled, not-frozen or sample of non sufficient quantily. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 10 Days	Test Utilization Routine > 10 Days
Reference Value Norepinephrine Plasma: 0.8 - 3.4 nmol/L Epinephrine Plasma: < 0.8 nmol/L
Test Code PCAT	Methodology HPLC/ECD
Testing Location Referred Out – ON, Canada (ROICL02)	Other Information Last Updated: April 27, 2020

Catecholamines, Plasma

Test Name

Catecholamines, Plasma (Epinephrine, Norepinephrine)

Specimen Type / Requirements

Container Type = 2 Lavenders

Minimum Testing Volume = 3mL Plasma (EDTA)

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect Sample in pre-chilled lavender top. Patient must be supine for at least 30 minutes prior to and during specimen collection. Collect after overnight fast (water and non-caffeinated drinks permissible). Catechol drugs may interfere, including alpha methyldopa, alpha-methyl-para-tyrosine, isoproteronal, dobutamine and carbidopa. Provide list of medications. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions Specimen should be kept cold and spun in a cold centrifuge as soon as possible, within 60 minutes of collection. Freeze immediately. If the specimen thaws, it is unsuitable for analysis

Stability: Stable frozen for one week.

Rejection Criteria: Serum, unlabeled, not-frozen or sample of non sufficient quantily.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Routine > 10 Days

Reference Value

Norepinephrine Plasma: 0.8 - 3.4 nmol/L

Epinephrine Plasma: < 0.8 nmol/L

Test Code

PCAT

Methodology

HPLC/ECD

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: April 27, 2020