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NT-Pro BNP

Source Blood
Mnemonic NTBNP
Specimen Requirements CLS sites, BMSH & OHWC: 1 x 3.0 mL light green (mint) top PST tube. Gold top SST tube also acceptable.

CLH, CMGH, DDHS, HRH, OGH, SDHS, VCH: 1 x 3.0 mL dark green top Lithium heparin tube.

0.5 mL  plasma or serum

Minimum Whole Blood Volumes for Microcollections

Specimen Handling Centrifuge
Additional Information
Testing Location Chemistry-FMC, PLC, RGH, SHC, ACHC, CCHC, Immunochemistry
Rural: BMSH, CLH, CMGH, DDHS, HRH, OGH, SDHS, VCH
Testing Frequency Monday to Friday in 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