B-Type Natriuretic Peptide

General Information

Method

Chemiluminescence

Reference Range

Units: pg/mL

Female		Male		Unknown
Age	Range	Age	Range	Age	Range
0-	<101	0-	<101	0-	<101

Effective date: 09/19/2006

Specimen Type: Blood
Collection: Preferred: 5 mL blood in PEARL TOP (Pearl white cap with K2EDTA and gel)

Note: Any EDTA TUBE is acceptable.
Handling Instructions: Caution: Two Lavender top tubes are needed when BNAP is ordered with a CBC.
Quantity: Requested: 1 mL plasma
Minimum: 0.5 mL plasma

Receiving Instructions: UW-MT/HMC SPS: Pearl White Hemogard: Centrifuge within 2 hours of blood draw (recommended). Acceptable: Centrifugation within 8 hours of blood draw. Lavender top: Centrifuge and aliquot plasma within 2 hours of blood draw (recommended). Acceptable: Centrifugation within 8 hours of blood draw. Deliver plasma aliquot directly to the testing bench. Note: If testing cannot be completed within 8 hours at room temperature or 24 hours refrigerated, plasma must be frozen at -20°C. Do not freeze the sample in the gel pearl top tube. Aliquot and decant plasma into tubes prior to freezing. Outside & Remote Lab Locations: Centrifuge and aliquot plasma within two hours of blood draw. Freeze at -20°C. Route to appropriate lab.

Lab Department

Chemistry, Automated Panels(CHA)

Frequency

Daily

Available STAT?

Yes

Performing Location(s)

HMC	Chemistry, Automated 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW	Main Lab 206-668-1344 UW Medical Center – Northwest 1550 N 115th Street, A200 Seattle, WA 98133
UW-MT	Chemistry, Automated 206-520-4600 Clinical Lab, Room NW220, University of Washington Medical Center, 1959 NE Pacific street, Seattle, WA 98195