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Laboratory Medicine

Test catalogue

NT-proBNP (BNP)

Test Name

NT-proBNP (BNP)

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 1 mL serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in red or gold top container with or without gel separator. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate serum from cells as soon as possible.

Rejection Criteria: Unlabeled or samples of non sufficient quantity.

Stability: Stable for 3 days at room temperature, at 2-8°C for 6 days and frozen at -20°C for 24 months

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

1 hour for Trauma/Stat 2 hours for routine

Test Utilization

Reference Value

Acute care setting:

< 50 y below 450 ng/L

50-75 y below 900 ng/L

>75 y below 1800 ng/L

Ambulatory care setting:

< 50 y below 125 ng/L

50-75 y below 250 ng/L

>75 y below 500 ng/L

Test Code

BNPS

Methodology

Sandwich Immunoassay

Testing Location

SMH-Biochemistry

Other Information

Last Updated: February 19, 2020