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Laboratory Test Directory

Growth Hormone

Components

Name Method Department Units
Growth Hormone 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

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

  • Keep refrigerated
  • Transport to laboratory as soon as possible
  • Mix heparin tube by gentle inversion immediately after collection

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No 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
Stability

Refrigerated - 8 hour(s)
Frozen - 2 month(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate
  • Keep refrigerated
  • Transport to laboratory as soon as possible
  • Mix heparin tube by gentle inversion immediately after collection

Reasons for Rejection

  • Gross lipemia

CPT Code

  • 83003