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Test Code IPF Immature Platelet Fraction

Clinical System Name

Immature Platelet Fraction

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.

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 vacutainer must contain at least 1.0 mL.

Processing Instructions

Reject due to:  Insufficient Quantity, Wrong Sample Collection, Clotted Sample

Spin: N

Aliquot: N

Temp: RT

Storage location:  Deliver to Core Lab Hematology bench.

 

Off-site collection: Store whole blood at room teperature and transport to Children's Lab immediately.  Samples > 24 hours old may be rejected.

Stability

 

Specimen Type Temperature Time
 Whole blood RT

24 hrs

 Whole blood 2-8oC

 48 hrs

 Whole blood -20oC or -70oC

N/A

 

Availability

STAT Performed TAT
Y 24/7 1 H

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Hematology

Phone Number: 206-987-2561

 

 

Reference Range

 

0 - 7 %

 

Methodology

Method:  Sysmex XN-3000/1000 : Fluorescent Flow Cytometry with Platelet Specific Flourescent Dyes.

Analytical Volume:  0.025 mL 

CPT Codes

85055

Critical Values

 

N/A