B-Type Natriuretic Peptide (BNP)
Also known as: BNP, Brain Natriuretic Peptide
Use
Support a diagnosis of congestive heart failure (CHF)
Special Instructions
Not provided.
Limitations
The BNP test may be affected by patients consuming high doses of biotin, resulting in potential test interference. Additionally, BNP levels can be influenced by age and physical activity. It is important to note that while BNP levels are indicative of cardiac function, they are part of a comprehensive diagnosis and should be considered alongside other clinical assessments.
Methodology
Immunoassay (CLIA)
Biomarkers
B-Type Natriuretic Peptide (BNP)
Protein
LOINC Codes
- 30934-4
- 30934-4
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
0.8 mL
Minimum Volume
0.5 mL
Container
Lavender-top (EDTA) tube
Collection Instructions
Collect in a plastic lavender-top (EDTA) tube. Centrifuge and transfer the plasma into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Freeze within 24 hours and maintain frozen until tested. Submit separate frozen specimens for each test requested to avoid delays.
Patient Preparation
Patients should stop biotin supplementation at least 72 hours before sample collection.
Storage Instructions
Freeze.
Causes for Rejection
Non-EDTA plasma specimen; EDTA plasma collected in glass
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unstable |
| Frozen | 90 days |
Other tests from different labs that may be relevant