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Laboratory Test Directory

Insulin-like Growth Factor-II

Components

Name Method Department Units
IGF-II Blocking RIA after acid:alcohol extraction
Send Out ng/mL

Specimen Requirements

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 0.5 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 0.5 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 0.5 mL
Stability

Room temperature - 1 day(s)
Refrigerated - 3 day(s)
Frozen - 6 month(s)

Specimen Preparation

  • Centrifuge within 1 hour, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube
  • Not removed from cells within time frame

Comments

Pediatric Minimum volume does not permit repeat analysis.

CPT Code

  • 83519