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HelpTest Code BNP B-Type Natriuretic Peptide (PRO-BNP), Plasma
Specimen Requirements
Draw blood in a green-top tube (plasma) or a gold top tube (serum). Spin down and send 1 mL of plasma or serum.
Specimen Stability
| ROOM TEMP | REFRIG 2-8 DEGREES CELSIUS | FREEZE -20 DEGREES CELSIUS |
| 3 DAYS | 6 DAYS | 24 MONTHS |
Performing Laboratory
Conway Regional Laboratory Services
Reference Values
2-100 pg/mL
The New York Heart Association Classification System is provided to assist in the interpretation of BNP results in conjunction with clinical symptoms.
| Class | Median BNP Level |
| I | 178 pg/mL |
| II | 270 pg/mL |
| III | 525 pg/mL |
| IV | 1,134 pg/mL |
Methodology
Chemiluminescence
Day(s) Test Set Up
Monday through Sunday
Available STAT
CPT Code
83880