B-Type Natriuretic Peptide (BNP) CPT: 83880
Special Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Expected Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Specimen Requirements
Specimen
Plasma, frozen
Volume
0.8 mL
Minimum Volume
0.5 mL
Container
Lavender-top (EDTA) tube
Collection
Do not collect in glass. Collect in a plastic lavender-top (EDTA) tube. Freeze within 24 hours and maintain frozen until tested. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze. Unstable at room temperature. Stable refrigerated up to 24 hours or frozen up to 9 months.
Patient Information
To help detect, diagnose, and in some cases evaluate the severity of heart disease, including congestive heart failure (CHF).
When you have symptoms such as shortness of breath, fatigue, excessive fluid in your abdomen, and swollen ankles and legs after a heart attack or during treatment for heart disease.
A blood sample drawn from a vein.