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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 – Saturday

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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