Vanderbilt Pathology Laboratory Services
Test Directory
B-TYPE NATRIURETIC PEPTIDE (BNP)
Department: ChemistryTest Synonym(s): BNP
CPT Codes: 83880
Methodology: Flourescence Immunoassay
Reference Range: <100 pg/mL
Tube Type: Lavender top (EDTA)
Specimen: Plasma
Pediatric Requirements: 2 lavender top bullets
Volume: 5 mL blood
Minimum Volume: 0.7 mL plasma
Temperature: Room temperature for up to 4 hours; -20 C if longer than 4 hours before testing
Stability: 3 Days at 2-8º C; -20º C for longer
Reasons for Rejection: Severely hemolyzed specimen, improper storage, improper specimen
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour, routine: 2 hours
Special Instructions: Transport at room temp or chilled.If testing will not be performed within 4 hours of collection, it is best to separate plasma and freeze.
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