In This Section

Available Tests

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

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

Synonyms: BNP, proBNP

Tube Type


Test ID   LAB5361
EPIC Order
CPT Code(s)   83880
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine: 30; STAT: 888
Specimen Routine: 4mL blood/gold top serum separator tube/red top acceptable
  Micro: 1 mLblood/gold top serum separator tube/red top; formulary: 1 mL
Unspun: 8 hours
Room Temperature: 3 days
Refrigerator: 3 days
Frozen: 12 months
Availability Routine: 24 hours/day
  STAT: Yes
Turnaround Time   Routine: 2 hrs; STAT: 1 hr
Reference Range Normal:  
Age Male (pg/mL) Female (pg/mL) Unspecified (pg/mL)
up to 45 years <93 <178 <136
45-54 years <138 <192 <165
55-64 years <177 <226 <202
65-74 years <229 <353 <291
75+ years <852 <624 <738

Testing is performed using OrthoClinical Diagnostics NT-PBNP Immunoassay.  Different test methods should not be used interchangeably.

Heterophilic antibodies may cause interference.

High doses of biotin may cause test interference.

Reviewed by Christopher Parker on December 16, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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