B-Type Natriuretic Peptide

Abbreviation: BNP

Panel: Heart (Cardiac) Markers · All heart markers tests

Typical adult reference range

Conventional units<100 pg/mL
SI units<29 pmol/L

Ranges vary between laboratories and methods — compare your result with the range printed on your own report.

What a high or low result can mean

High b-type natriuretic peptide: high values can be seen in heart failure and other causes of cardiac wall stress.

These are associations, not a diagnosis: the same result can have several causes, and your clinician interprets it with the rest of your results and history.

Good to know

Levels rise with age and kidney impairment and tend to be lower in obesity.

Please note: Reference ranges vary between laboratories, and between the methods and instruments they use — the range printed on your own report is the one your result should be compared with. A result outside the range is not by itself a diagnosis, and a result inside it does not rule out illness. These pages are an educational summary, not medical advice: always discuss your results with the clinician who ordered them, who can interpret them in the context of your health and history.