A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: Pressor Amines
Performed: Sun, Tues-Sat
Turn Around Time: 2-4 days
CPT Codes: 82384
Performed By: Referral Lab
Notes:
Discontinue drugs that release epinephrine, norepinephrine, or dopamine, or hinder their metabolism for at least 1 week before obtaining the specimen. The patient must refrain from eating, using tobacco, and drinking caffeinated beverages for at least 4 hours before the specimen is drawn. Patient should be calm and supine for 30 minutes prior to collection.
Deliver specimen to lab immediately on ice. Specimen must be processed within 1 hour of collection. Refrigerated centrifugation is preferred, but not required.
Clinical Utility: Use to evaluate clinical symptoms of excess catecholamine secretion.
Link:
Catecholamines Fractionated, Plasma
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Epinephrine |
Quantitative High Performance Liquid Chromatography |
|
See Link for age range reference intervals |
See Link |
|
pg/mL |
Dopamine |
Quantitative High Performance Liquid Chromatography |
|
2 days and older |
<20 |
|
pg/mL |
Norephinephrine |
Quantitative High Performance Liquid Chromatography |
|
See Link for age range reference intervals |
See Link |
|
pg/mL |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
2, 4.5 ML GRN LIH W/GEL |
|
|
Collect and submit specimen to lab on ice. Spin within 1 hour of collection and freeze plasma. |
Submit specimen tubes to lab immediately on ice |
Test must be collected on campus. |