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NT-proBNP
Test Code11188
CPT Codes
83880
Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.3 mL
Other Acceptable Specimens
Plasma collected in: Lithium heparin (green-top) tube or EDTA (royal blue-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 Temperature
Refrigerated (cold packs)
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?)
Gross hemolysis
Methodology
Electrochemiluminescence (ECLIA)
Setup Schedule
Night Sets up 5 days a week.
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.
