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HelpTest Code LAB3210 Immature Platelet Fraction
Clinical System Name
Immature Platelet Fraction
Synonyms
IPF
LAB3210
Sample Requirements
Specimen: Whole Blood
Container(s): Lavender/EDTA, Heparinized Syringe
Preferred Vol: 1.0-3.0 mL
Minimum Vol: 0.5 mL Microtainer; 1.0 mL Macrotainer
Notes: A Lavender top/EDTA Macrotainer must contain at least 1.0 mL.
Processing Instructions
Reject due to: Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Age of specimen
Spin: N
Aliquot: N
Temp: RT
Storage location: Core 5 Fridge
Off-site collection: Store whole blood at room temperature and transport to Children's Lab immediately. Samples > 24 hours old may be rejected.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood | RT |
≤ 24 h |
| Whole blood | 2-8 C |
≤ 48 h |
| -20 C or -70 C |
N |
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y | 24/7 | 1 h |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Core Hematology
Phone Number: 206-987-2617 (Client Services)
CPT Codes
85055
Methodology
Method: Sysmex XN-3000/1000 : Fluorescent Flow Cytometry with Platelet Specific Fluorescent Dyes.
Analytical Volume: 0.25 mL whole blood
Reference Range
0 - 7 %
Description
The immature platelet fraction (IPF) measures reticulated platelets in peripheral blood. IPF levels rise as bone marrow production of platelets increases. Its measurement provides an assessment of bone marrow platelet production.