Test Details
Mnemonic
NTBNP
Ordering Code
3000317
CPT-4 Code(s)
83880
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within one hour and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Plasma Li-heparin; K2-EDTA
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Heat-inactivated samples, Samples stabilized with sodium azide
Stability
Room temperature: 3 days
Refrigerated: 6 days
Frozen: 24 months
Refrigerated: 6 days
Frozen: 24 months
Methodology
Electrochemiluminescence Immunoassay (ELCIA)
Reference Range
<75 years of age: <125 pg/mL
>=75 years of age: <450 pg/mL
>=75 years of age: <450 pg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes