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Laboratory Test Directory

Immature Platelet Fraction


Name Method Department Units
Immature Platelet Fraction Automated cell counter
Core Lab, Hematology %

Battery Members

Immature Platelet Fraction, Platelet Count, MPV

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume

Purple tube (EDTA)

3 mL 3 mL

Refrigerated - 12 hour(s)


Purple tube (EDTA)

Micro sample tube 0.5 mL

Refrigerated - 12 hour(s)


Room temperature - 8 hour(s)

Specimen Preparation

  • Do not centrifuge
  • Mix EDTA tube by gentle inversion immediately after collection

Reasons for Rejection

  • Wrong collection tube
  • Clotted specimen
  • Not received within specified time frame
  • Not received at proper temperature
  • Over or under filled tube


No additional blood is required if ordered with CBC. Samples for Immature Platelet Fraction should be sent to Core Laboratory (Main Campus) for testing. Due to collection volume concerns, consider sending entire specimen for all Heme-related testing in this case.

CPT Code

  • 85055