Test Code LAB4019 N-terminal-pro B-type Natriuretic Peptide (NT-proBNP)
Specimen Type
Preferred Sample: Lithium Heparin Plasma (Mint/Light Green Top Tube)
Alternative Sample: Serum (gel and non-gel)
Specimen Volume
2 mL
Minimum Volume
0.5 mL
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
3 days at 2-8°C
Method
chemiluminescent microparticle immunoassay (CMIA)
Reference Ranges
0-74 Years: Less than 125 pg/mL
75+ Years: Less than 450 pg/mL
Synonyms
NT-proBNP
CPT Codes
83880