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NT-Pro B-Type Natriuretic Peptide

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Updated Test Information:

Test Description
NT-Pro B-Type Natriuretic Peptide
Synonym(s)

NT proBNP, N Terminal proBNP, NT Pro BNP, ProBNP (B-Type Natriuretic Peptide)
Test ID
PBNP
General Information

NT-proBNP aids in the diagnosis of congestive heart failure.
Specimen Type

Serum
Specimen Requirements

SST
Alternate Specimen Type

Li‑heparin, K2‑EDTA and K3‑EDTA plasma
Specimen Collection / Processing Instructions

Samples should not be taken from patients receiving therapy with high biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin administration.
Minimum Sample Volume

0.5 mL
Pediatric Min. Volume (if applicable)

300 uL
Stability

3 day at 20‑25 °C
6 days at 2‑8 °C
24 months at ‑20 °C (± 5 °C). Freeze only once.
Department (code)

Chemistry
Methodology

Electrochemiluminescence immunoassay ECLIA
Estimated TAT

0-2 days
Testing Schedule

Monday-Saturday
CPT Code(s)

83880
Reference Range

Age Group    Elecsys proBNP II and Elecsys proBNP II STAT Cut-Points                     Interpretation


<50 years                                               450 pg/mL                                                           NT-proBNP>450 pg/mL indicates ADHF is likely
50-75 years                                          900 pg/mL                                                           NT-proBNP>900 pg/mL indicates ADHF is likely
>75 years                                               1800 pg/mL                                                       NT-proBNP>1800 pg/mL indicates ADHF is likely


 
Performing Lab

Incyte Diagnostics
LOINC Code(s)

30934-4