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B-type Natriuretic Peptide (BNP)


Utilizes a two-site immunoenzymatic (“sandwich”) assay

Test Utility

The test is intended to be used in the following indications: -As an aid in the diagnosis of congestive heart failure -As an aid in the assessment of severity of congestive heart failure -For the risk stratification of patients with acute coronary syndromes -For the risk stratification of patients with heart failure

Specimen Collection and Preparation

Plasma sample in the following tubes: -K2 EDTA (purple top)

Specimen Storage and Stability

Samples should be tested as soon as possible after collection. If a delay occurs, the following is recommended: 

  • Blood or plasma: Room temperature: 15°C to 25°C no longer than 7 hours 

  • Plasma: Refrigerated: 2°C to 8°C up to 24 hours 

  • Frozen plasma: 

  • 20°C or lower up to 7 days

Specimen Rejection

  • Broken or leaking tube -Insufficient sample volume 

  • Frozen whole blood 

  • Specimen clotted or hemolyzed 

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Sunday, 16 hours a day 

Result available within 24 hours of receipt in laboratory 

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory 1307- A, Allen Dr Troy, MI 48083 (248) 846-0663

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