Below the range
Common causes of a low NT-proBNP
- Obesity
Looking for the other direction? See what causes a high NT-proBNP.
All tests · Cardiac Markers · NT-proBNP
Below the range
What causes a low NT-proBNP?
Normal range < 125 (age < 75); < 450 if older pg/mL (< 125 ng/L SI). Specimen: Plasma or serum. See the full NT-proBNP reference page for critical values and nursing considerations.
What is the normal range for NT-proBNP?
The standard teaching reference range for NT-proBNP is < 125 (age < 75); < 450 if older pg/mL in conventional units, or < 125 ng/L in SI units. This value is measured in plasma or serum.
| Specimen | Plasma or serum |
|---|---|
| Conventional range | < 125 (age < 75); < 450 if older pg/mL |
| SI range | < 125 ng/L |
| Panel | Cardiac Markers |
Full details, including nursing considerations, on the NT-proBNP normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
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