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NT-proBNP
Test CodeQ11188
Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.3 mL
Other Acceptable Specimens
Plasma collected in EDTA (royal blue-top), or lithium heparin (green-top) tube • Serum
Instructions
Collect blood in an EDTA (lavender-top) tube. Separate plasma as soon after collection as possible. Keep refrigerated (cold packs) after separation.
Transport Container
EDTA (lavender-top) or Potassium EDTA (white-top)
Transport Temperature
Refrigerated or Frozen
Specimen Stability
Room temperature: 72 hours
Refrigerated: 5 days
Frozen: 30 days
Refrigerated: 5 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Room Temperature; Grossly hemolyzed
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Fri; Report available: 1-2 days
Clinical Significance
This assay aids in the diagnosis of individuals suspected of congestive heart failure; is indicated for risk stratification of patients with acute coronary syndrome and congestive heart failure. Also aids in the assessment of increased risk of cardiovascular events and mortality for patients at risk of heart failure who have stable coronary artery disease.
