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Test Code BNP B-TYPE NATRIURETIC PEPTIDE- BNP

Aliasis

BNP

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

Adults: 1.0 mL
Pediatric: 0.5 mL

Container

Plasma: EDTA Lavender

Preferred Specimen

Lavender (EDTA plasma)

Acceptable Specimen(s)

Plasma: 

  • Purple or Pink Top(K2/K3 EDTA)

Reference or Target Ranges

< 2.0 pg/mL

Reportable Units

pg/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold:

100 mg/dL

Icterus Threshold:

25 mg/dL

Lipemia Threshold:

800 mg/dL of Triglycerides

 

1000 mg/dL of Cholesterol

Uremic:

200 mg/dL of Urea

 

2.5 mg/dL of Creatinine

Proteinemic:

5.3 g/dL of human IgG

Biotin:

38 ng/mL

Other:

QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability

Ambient

24 Hours

Refrigerated    (4oC to 8oC)

N/A

Frozen  

9 Months

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

STAT: 1 hour, Routine:  4 hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Additional Information / Important Notes

For determining heart failure:

>100 pg/mL

For predicting survival in patients with myocardial infarction:

< 80 pg/mL

Results should be evaluated in the context of all Clinical and Laboratory data.

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

83880