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Laboratory Test Directory

Hemoglobin, Plasma

Components

Name Method Department Units
Plasma Hemoglobin Colorimetric assay
Core Lab, Coagulation mg/dL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 3 mL
Alternate

Purple tube (EDTA)

Micro sample tube 0.5 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 0.5 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 3 mL
Stability

Room temperature - 8 hour(s)

Specimen Preparation

  • Mix by gentle inversion immediately after collection
  • Transport to laboratory as soon as possible
  • Keep at room temperature

Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

3 mL 3 mL
Alternate

Purple tube (EDTA)

Micro sample tube 0.5 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 0.5 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 3 mL
Stability

Refrigerated - 24 hour(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate

Reasons for Rejection

  • Not received within specified time frame
  • Not received at proper temperature
  • Clotted specimen
  • Wrong collection tube

Comments

Total Bilirubin >20 mg/dL will result in test cancellation due to assay interference. Elevated level of lipids may affect results.

CPT Code

  • 83051