B-Type Natriuretic Peptide (BNP)
Test code
CPT code(s)*
Test resources
Details
Methodology
Immunoassay (IA)
Alternative name(s)
Brain Natriuretic Peptide,BNP
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL frozen plasma collected in an EDTA (lavender-top) tube |
| Minimum volume | 0.5 mL |
| Collection instructions | Collect specimen in a plastic EDTA (lavender-top) tube. Centrifuge tube and separate plasma into a plastic specimen transport tube within 1 hour. Freeze plasma immediately. Note: BNP is unstable in glass containers. Use of glass tubes and glass transfer pipettes will affect accurate quantitation of BNP. |
| Transport container | Transport tube |
| Transport temperature | Frozen |
| Specimen stability | Room temperature: 1 hour Refrigerated: 1 hour Frozen: 9 months |
| Reject criteria | Collected in a glass tube • PPT potassium EDTA (white-top) tube |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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