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Laboratory Test Directory

IGF-BP3

Components

Name Method Department Units
IGF BP3 Chemiluminescence
Core Lab, Endocrinology ug/mL

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 1 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 1 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 24 hour(s)
Frozen - 12 month(s)

Specimen Preparation

  • Mix heparin tube by gentle inversion immediately after collection
  • Allow to clot completely at room temperature
  • Centrifuge within 4 hours, separate supernatant and refrigerate
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Wrong collection tube
  • Thawed and refrozen specimen

CPT Code

  • 83516