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HelpTest ID BLOD0004 B-Type Natriuretic Peptide
Synonym
BNP, B-Type Brain Natriuretic Peptide
Specimen Type/Requirements
Lavender top (EDTA) tube - Plasma
Test is affected by gross hemolysis and gross lipemia.
Bismarck
Specimen should be centrifuged and separated within 2 hours of collection. Avoid more than one freeze/thaw cycle.
Specimen Volume
Sioux Falls, Black Hills
| Preferred Volume | 2.0 mL |
|---|---|
| Minimum Volume | 0.3 mL |
Bismarck
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Stability/Transport
Sioux Falls, Black Hills
EDTA Plasma
| Room Temperature | 4 hours | |
|---|---|---|
| Refrigerated | 24 hours | |
| Frozen | 3 months | Preferred for transport |
Note: Black Hills prefers Refrigerated for transport
EDTA Whole Blood
| Room Temperature | 4 hours | |
|---|---|---|
| Refrigerated | 24 hours | Preferred for transport |
| Frozen | Not Acceptable |
Bismarck
EDTA Plasma
| Room Temperature | 2 hours | |
|---|---|---|
| Refrigerated | 7 hours | |
| Frozen | 2 months | Preferred for transport |
Performed Test Frequency
Monday through Sunday
Report Available
1 - 3 days
Additional Information
BNP is a quantitative blood test for congestive heart failure.
BNP concentrations increase with the severity of CHF.
BNP doesn’t have to be drawn at timed intervals
Methodology
Sioux Falls, Black Hills
Chemiluminescent Immunoassay
Bismarck
Chemiluminescent Sandwich Immunoassay
Performing Lab
Sanford Laboratories Sioux Falls, Bismarck, Black Hills
CPT
83880