Specimen Stability (for laboratory use only)
Collection Container
Pink top (K2-EDTA)
Service Code:
LBC00155
Collection Instructions:
1. Draw sufficient blood into pink top tube.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
Unacceptable Conditions:
Clotted
Grossly haemolysed
Grossly icteric
Grossly lipaemic
Grossly haemolysed
Grossly icteric
Grossly lipaemic
Specimen Stability:
Ambient
Not Centrifuged: 2 hours
Refrigerate
Frozen
Add on Test:
No add test
Reflex Tests:
N.A.
Performance
Turn Around Time:
Stat: 2 hours Routine: 4 hours
Days Test Performed:
Testing Laboratory:
Woodlands Hospital Laboratory Medicine and Pathology, Biochemistry
Clinical & Interpretative
Description:
Methodology:
Two-site immunoenzymatic sandwich assay
Reference Interval:
0 - 100 pg/mL
If BNP is <100 pg/mL,
then heart failure is highly unlikely,
negative predictive value 90%.
If BNP is >500 pg/mL,
then heart failure is highly likely,
positive predictive value 90%.
If BNP is <100 pg/mL,
then heart failure is highly unlikely,
negative predictive value 90%.
If BNP is >500 pg/mL,
then heart failure is highly likely,
positive predictive value 90%.
Critical Values:
N.A.
