Home
HelpTest Code LAB8638 NT-Pro BNP
Additional Codes
BNP
Collection:
Specimen: Blood
Preferred: Lt Green w/gel - Li Heparin
Acceptable: SST, Red Top, Lavendar (EDTA)
Specimen Volume: 4 mL; Minimum 2 mL
Pediatric Collection:
1.0 ml whole blood in 2 ml Lt Green w/gel - Li Heparin
Stability:
Ambient: 48 Hours
Refrigerated (preferred): 72 Hours
Frozen: 4 Weeks
Remove plasma from the cells or separator gel if testing will be delayed by more than 24 hours
Turnaround Time (TAT):
STAT: 1 HOUR
Routine: 4 HOURS
Test Availability:
Daily / 24 Hours / Available STAT
Performing Laboratory Section:
Chemistry / UMC MAIN LABORATORY
Reference Interval:
.
Interpretive Data
The following NT-proBNP cutoffs should be used for the diagnostic evaluation of heart failure (HF) in acutely dyspneic patient presenting to the Emergency Department:
| NT-Pro BNP Result | Age Group | Interpretation |
|---|---|---|
| < 300 pg/mL | All Ages | HF very unlikely (rule-out) |
| > 450 pg/mL | < 50 years | Diagnosis (rule-in HF) |
| > 900 pg/mL | 50 - 75 years | Diagnosis (rule-in HF) |
| > 1800 pg/mL | > 75 years | Diagnosis (rule-in HF) |