pro BNP (NT-ProBNP, N-Terminal pro B-Type Natriuretic Peptide)

Synonyms: BNP, proBNP

Tube Type = Mint Green Top

Tube Type

Test ID LAB5361
EPIC Order
 PRO-BNP
CPT Code(s) 83880
Group/Individual Test Individual
Laboratory Core Chemistry
Tube Station 30
Specimen Routine: 4mL blood/ green lithium heparin gel tube. Also acceptable gold SST or red plain tube; See comments.
Micro: 1.5 mL blood
Stability Spun/Separated:
Room Temperature: 3 days
Refrigerated: 4 days
Frozen: 12 months
Availability Routine: 24 hrs/7 Days
Turnaround Time Routine: 2 hours
STAT: 1 hour
Reference Range Normal: ≤300 pg/mL strongly rules out the presence of acute heart failure.
Comments
  • Effective 9/9/2024, NT-proBNP replaces BNP. Results are not interchangeable. See memo.
  • Testing is performed using the Siemens Atellica IM NT-proBNP (PBNPII) assay. 

Reviewed by J. Carr on January 05, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514