2 - 11 days
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An aid in prognosis for patients diagnosed with heart failure
Risk-stratification of heart failure patients
An early indication of treatment failure and as a therapeutic target
<24 months: not established
2-17 years: < or =25.0 ng/mL
> or =18 years: < or =22.1 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.