B-Type Natriuretic Peptide (BNP) BNP
Method(s) | Direct Chemiluminescent Assay |
---|---|
Specimen Required | |
Collect | One 3 mL lavender (EDTA) top tube. Dedicated tube preferred. |
Transport | 3 mL whole blood at 2-8°C (Min: 1 mL) |
Remarks | Mix the tube several times to avoid clotting. |
Stability | - Cannot add on CBC specimen after 4 hrs at room temperature. - 24 hours when tightly capped and stored at 2-8°C. - Plasma samples are stable 9 months when frozen at less than or equal to -20°C. |
Unacceptable Conditions | Serum, sodium heparin and sodium fluoride/potassium oxalate plasma specimens |
Schedule | Daily 24/7 |
Billing Code | 1010009 |
CPTCode | 83880 |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
Less than 100 pg/mL |