Test Code PROBNP NT-Pro-B-Type Natriuretic Peptide (pro-NT-BNP)

Important Note

0-74 years: <125 pg/mL-negative: Heart failure unlikely

>125 pg/mL: Consider heart failure as well as other causes of NT-proBNP elevation.

>74 years: <450 pg/mL-negative: Heart failure unlikely

>450 pg/mL: Consider heart failure as well as other causes of NT-proBNP elevation.

Infectious

MEDITECH MNEMONIC:

PROBNP

Preferred Specimen:

1mL Lithium Heparin Plasma

Acceptable Specimen:

1mL Serum from a gel or non-gel tube

Minimum Volume:

0.5mL Plasma or Serum (volume does not include repeat or reflexed testing)

Transport Container:

Transport Tube

Preferred Transport Temperature:

Refrigerated

Specimen Stability (after centrifugation):

Ambient: <2 days

Refrigerated: <3 days

Frozen: >3 days

Setup Schedule:

SUN-SAT

Willis Knighton Medical Center

2600 Greenwood Road

Shreveport, LA 71103