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Laboratory Test Directory

C-Reactive Protein

Components

Name Method Department Units
CRP Enzymatic, reflectometry
Core Lab, Chemistry, Routine mg/dL

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), with Gel

3 mL 3 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 3.5 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 1 mL
Alternate

Green tube (Lithium heparin), with Gel

Micro sample tube 0.3 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Stability

Refrigerated - 3 day(s)
Frozen - 6 month(s)

Specimen Preparation

  • Centrifuge within 4 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Gross hemolysis
  • Gross icterus
  • Gross lipemia
  • Not received at proper temperature
  • Not received within specified time frame

Comments

When ordered with Procalcitonin (PROCAL), collect and submit 2 separate tubes for these two tests.

CPT Code

  • 86140