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NT- Pro B-Type Natriuretic Peptide

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Lavender Tube (EDTA)

 

Specimen Requirements

Preferred:
Container/Tube: Lavender Tube (EDTA)
Minimum Volume: 1 mL EDTA Plasma or Whole Blood
Collection Instructions:

Specimen Stability

Ambient: 24 hours
Refrigerate: 3 days
Frozen: 30 days, Do not thaw sample more than once

Reference Range

Criteria Reference Range Units
Negative: Heart Failure Unlikely < 300 pg/mL
Gray Zone: Result Indeterminate - Consider other causes of NT-proBNP elevation    
21 to 49 years 300 - 449 pg/mL
50 - 75 years 300 - 899 pg/mL
> 75 years 300 - 1799 pg/mL
Positive : Heart Failure Likely    
21 - 49 years ≥ 450 pg/mL
50 - 75 years ≥ 900 pg/mL
> 75 years ≥ 1800 pg/mL

Methodology

Chemiluminescent Immunoassay

Test Alias

BNP

Additonal Information

Pro-BNP – NT-Pro B-Type Natriuretic Peptide (BNP) is recommended instead of BNP for monitoring patients on the drug Entresto.