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Laboratory Test Directory

Cancer Antigen-Breast (CA 15-3)

Components

Name Method Department Units
Cancer Antigen-Breast Quantitative Electrochemiluminescent Immunoassay
Send Out U/mL

Specimen Requirements

Plasma Spun

Container Type Container Size Specimen Volume
Alternate

Purple tube (EDTA)

3 mL 3 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Stability

Refrigerated - 5 day(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Sodium 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
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Stability

Refrigerated - 5 day(s)
Frozen - 3 month(s)
Room temperature - 2 day(s)

Specimen Preparation

  • Allow to clot completely at room temperature
  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Wrong collection tube

CPT Code

  • 86300