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Test Code NT-proBNP NT-proB-Type Natriuretic Peptide (BNP)

Performing Laboratory

ChristianaCare:

  • Newark Campus
  • Middletown Campus
  • Wilmington Campus

Methodology

Chemiluminescent Microparticle Immunoassay (CMIA)

Specimen Requirements

Container/Tube:  3.5-mL red-top (gel) tube
Specimen:  Full tube
Collection Instructions:

Note:  Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.

Reference Values

Age Range 

Sex 

Median (pg/mL) 

Reference Interval (2.5 to 97.5th Percentile) (pg/mL) 

18 to 49 

Female 

30.7 

0 - 104.8 

Male 

< 15.8 

0 - 180.3 

50 to 75 

Female 

51.7 

0 - 334.1 

Male 

39.9 

0 - 451.6 

> 75 

Female 

81.4 

0 - 956.1 

Male 

65.1 

0 - 683.0 

Day(s) Test Set Up

Monday through Sunday

Routine Turnaround Time:  4 hours

STAT Turnaround Time:  1 hour