- YCATUPR
Catecholamines Fractionated, Plasma, Upright
Specimen:
Test Code
YCATUPR
Specimen Name
Catecholamines Fractionated, Plasma, Upright
Collect
1-Green Top (Na-Heparin)
Submit
2 mLs (Min: 1 mL) Plasma Frozen
Special Handling
Draw specimen in a pre-chilled green-top Vacutainer®. Plasma should be separated in a refrigerated centrifuge within 30 minutes of collection and then frozen immediately at -20°C in plastic vials. Fasting overnight is preferred. If baseline levels of the catecholamines or their metabolites are desired, the patient should abstain from any of the interference list for optimally 3 days (minimum of 8 to 12 hours for tea, coffee, alcohol, tobacco and strenuous exercise - minimum of 18 to 24 hours for others) before the specimen is collected. Patients should be relaxed in upright position before blood is drawn. States of anxiety and stress can cause fluctuations in the catecholamine levels. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.
Rejection Criteria
Thawed plasma, received room temperature, received refrigerated.
Stability
Ambient 6 hours; Refrigerated 6 hours; Frozen 1 month
Methodology
Liquid Chromatography/Mass Spectrometry (LC/MS)
Performed
Monday - Friday
Reported
5-8 days
CPT Codes
- 82384
Components
—
Additional Information
Patient Preparation:
Patients should be relaxed in an upright position before blood is drawn. Patient should avoid alcohol, coffee, tea, tobacco, and strenous exercise prior to collection. Overnight fasting preferred.
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Common Lab Definitions
- Serum
- Plasma
- STT