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Laboratory Test Directory

BNP

Components

Name Method Department Units
BNP Chemiluminescence
Core Lab, Endocrinology pg/mL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 2 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 24 hour(s)

Specimen Preparation

  • If delay in transport is greater than 4 hours, refrigerate
  • Mix EDTA tube by gentle inversion immediately after collection

Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 1 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 24 hour(s)
Frozen - 2 month(s)

Specimen Preparation

  • If delay in transport is greater than 4 hours, refrigerate
  • Mix EDTA tube by gentle inversion immediately after collection
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Clotted specimen
  • Collected in tube with gel separator
  • Frozen whole blood
  • Non EDTA specimen
  • Not received within specified time frame
  • Wrong collection tube

CPT Code

  • 83880