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Labcorp Oklahoma, Inc.
Test Directory


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Brain Natriuretic Peptide (BNP)

Order Name BRAIN PEP
Test Number: 2015175
Revision Date 04/26/2021
Test Name Methodology LOINC Code
Brain Natriuretic Peptide (BNP)
Chemiluminescence Assay 42637-9 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Plasma EDTA (Lavender Top) See Instructions
Alternate 1 2 mL (1 mL) Whole Blood EDTA (Lavender Top) See Instructions
Instructions Separate plasma from cells immediately for best stability.
Draw separate tube if other testing needed on lavender tube.
Plasma Stability after separation from cells: Ambient 4 hrs. Refrigerated 1 day. Frozen 3 months. 
Whole Blood Stability: Ambient 4 hours. Refrigerated 1 day.
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Aka: B-Type Natriuretic Peptide. Used for management and diagnosis of congestive heart failure (CHF). 
CPT Code(s) 83880
Lab Section Chemistry