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Test Code NTPROBNP NT Pro B Type Natriuretic Pept

Alias

Pro-BNP

Collection Method

Venous Collection

Container

Light Green Lithium Heparin tube

Instructions/Special Handling

None

Preferred Specimen

Light Green (Lithium Heparin) Plasma

Acceptable Specimes

  • Serum
    • Gold SST tube
    • Red tube
  • Plasma
    • Light Green lithium heparin
    • Lavender EDTA

Units

pg/mL

Reference Ranges

0 - 75 years:  300 pg/mL

>75 years:  450 pg/mL

Interpretive Comments:
A. Dyspnea in Acute Care Setting
All Ages:        < 300 pg/ml, acute heart failure unlikely.
< 50 yrs:        300 - 450 pg/ml, further investigation warranted.
                       > 450 pg/ml, acute heart failure likely.
50 - 74 yrs:     300 - 900 pg/ml, further investigation warranted.
                       > 900 pg/ml, acute heart failure likely.
≥ 75 yrs:  450 - 1800 pg/ml, further investigation warranted.
                       > 1800 pg/ml, acute heart failure likely.
B. Non-acute Setting
< 75 yrs         < 125 pg/ml, rules out heart failure.
                      ≥ 125 pg/ml, further investigation warranted.
≥ 75 yrs  < 450 pg/ml, rules out heart failure.
                      ≥ 450 pg/ml, further investigation warranted.

Critical Values

N/A

Reasons for Rejection

Hemolysis N/A
Icterus N/A
Lipemia N/A
Other QNS, Contaminated, Improperly labeled, Improper specimen type

 

Specimen Stability

Ambient (15-25°C) 3 days
Refrigerated (2-8°C) 6 days
Frozen (-20°C) 24 months

 

Performing Site

Boone Health Laboratory

Performance Information

Days/Times Performed Daily 24/7
Expected Turn around Time Same day
Methodology/Method Description Roche Cobas - Electrochemiluminescence immunoassay

CPT Code(s)

83880

Panel Components

N/A