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NT-Pro BNP

Source Blood
Mnemonic NTBNP
Specimen Requirements 1 x 3.0 mL light green (mint) top PST tube. Gold top SST tube also acceptable.

0.5 mL  heparinized plasma or serum
Specimen Handling Centrifuge.
Additional Information
Testing Location Chemistry-FMC, PLC, RGH, HCTL & Immunochemistry
Testing Frequency Two times a week at Immunochemistry; daily at all other sites
Alternate Name(s) B-type Natriuretic Peptide; N-Terminal Prohormone B-Type Natriuretic Peptide; Pro-BNP

 
Reference Interval 0 - 300 ng/L
 
Heart failure is unlikely if NT-Pro BNP is <300 ng/L.
Heart failiure is likely if:
     NT-Pro BNP >450 ng/L for patients <50 years of age
     NT-Pro BNP >900 ng/L for patients 50-75 years of age
     NT-Pro BNP >1800 ng/L for patients >75 years of age