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Test Listing: B-TYPE NATRIURETIC PEPTIDE



Code 4001
Test or Panel Test
Name B-TYPE NATRIURETIC PEPTIDE
Specimen Type Lavender top tube (EDTA)
Preferred Volume 1 mL
Minimum Volume (Emergencies only) 0.5 mL
Patient Prep N/A
Collection Procedure N/A
Specimen Processing Separate plasma from cells as soon as possible. Place cell-free plasma in separate plastic tube and freeze.
Storage and Transport Frozen; (Whole blood is stable before separating 7 hours room temperature or refrigerated.)
Stability Room Temp Separated: 8 hours; unspun: 7 hours ?Refrigerated Separated: 1 day; unspun: 7 hours ?Frozen (-20 ?C) 3 months
Unacceptable Condition Hemolyzed samples, specimens collected in non-EDTA tubes, EDTA tubes with a plasma separator gel, suresup, or glass tubes; do not freeze whole blood.
Alternate Specimens N/A
Limitations N/A
CPT Codes 83880 x 1
Interface Order Code 4001
Testing Schedule Mon-Fri
Available STAT? Yes
Turnaround Time 24 Hours
Methodology ICMA
Alias BNPEPR
Synonyms BNP; BTNP; Brain Type Natriuretic Peptide

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