Alpha Medical Lab
B-Type Natriuretic Peptide (BNP)
Ordered Test Code:
BNP
| Lab Test Component | Requirement |
|---|---|
| Test Name | B-Type Natriuretic Peptide (BNP) |
| Alpha’s Order Test Code | BNP |
| Specimen Collection Tube | EDTA/1mL/Frozen |
| Collection Tube Handling | |
| Minimum Volume | 0.5mL |
| Transport Temperture | Frozen |
| Stability | Refrigerated: 1 hour; Frozen: 9 months |
| Collection Instructions | Collect specimen in a plastic EDTA (lavender-top) tube. Centrifuge tube and separate plasma into a plastic specimen transport tube within 1 hour. Freeze plasma immediately. |
Clinical Significance
BNP is increased in congestive heart failure, left ventricular hypertrophy, acute myocardial infarction, coronary angioplasty, and hypertension. Elevations are also observed in pulmonary hypertension (indicating right ventricular dysfunction), acute lung injury, hypervolemic states, chronic renal failure and cirrhosis. Decreasing levels indicate therapeutic response to anti-hypertensive therapy.
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