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Laboratory Test Directory

IgE, Quantitative

Components

Name Method Department Units
IgE Fluoresent enzymatic immunoassay
CMI, Immunology kU/L

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 3 mL
Alternate

Purple tube (EDTA)

3 mL 3 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 3 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 3 mL
Stability

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

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated
  • Collect by venipuncture
  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible

Plasma Spun, Serum 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

Purple tube (EDTA)

3 mL 1 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 3 day(s)
Frozen - 6 month(s)

Specimen Preparation

  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible
  • Centrifuge within 2 hours, separate supernatant and refrigerate

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3.0 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 3.0 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 3.0 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 3 day(s)
Frozen - 6 month(s)

Specimen Preparation

  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Wrong collection tube
  • Gross hemolysis
  • Gross icterus
  • Gross lipemia
  • Bacterial contamination
  • Wrong type of specimen

CPT Code

  • 82785