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Laboratory Test Directory

Growth Hormone Series - Frequency

Components

Name Method Department Units
GH Frequency Chemiluminescence
Core Lab, Endocrinology ng/mL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 2 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 2 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 2 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 2 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 2 mL
Stability

Refrigerated - 8 hour(s)

Specimen Preparation

  • Collect at Main Campus only
  • Transport to laboratory as soon as possible
  • If delay in transport greater than 1 hour, refrigerate
  • Mix heparin tube by gentle inversion immediately after collection

Reasons for Rejection

  • Gross lipemia

Comments

Collect at Main Campus only. Multiple GH samples drawn over a designated time period at specific intervals. Each sample must include collection time.

CPT Code

  • 83003 (x number of samples)