Feb 15, 2016




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Hematology

Immature Platelet Fraction

Immature Platelet Fraction (IPF) Hematology Lab Test

Name: Immature Platelet Fraction

Test Name: Immature Platelet Fraction

Health Link Test Code: IPF

LIS Test Code: IPF

CPT Code(s): 85055

Test Component:

The Immature Platelet Fraction (%IPF) measures young and thereby reticulated platelets in peripheral blood.

Methodology: Flow Cytometry and Impedance

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: K3EDTA-Lavender top

Also Acceptable: K2EDTA-Lavender top

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

24 hours

Stability Refridgerated:

Not Acceptable

Stability Frozen:

Not Acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1 mL

Pediatric Testing Volume: 0.25 mL

Specimen Transport:

Transport specimen to the laboratory at ambient temperature.

Unacceptable Criteria:

Clotted specimens are not acceptable. Tubes with <25% of fill volume.


Reference Interval:

0-12 years               0.2-4.8%

> 13 years               0.7-6.6%