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HelpTest Code IPF Immature Platelet Fraction
Useful For
IPF levels rise as bone marrow produces more platelets. Measuring IPF reflects bone marrow platelet production from a peripheral blood sample.
Collection Method
Venous draw, Capillary Draw
Minimum Volume
Adult: 1 mL, Pediatric 300 uL
Container
Purple (EDTA)
Preferred Specimen
Whole Blood
Acceptable Specimens
EDTA Whole Blood, BD EDTA MAP tube
Reference or Target Ranges
| IPF | 1.1 – 6.1% |
Reportable Units
%
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Other | Clotted; QNS, Contaminated; Improperly labeled |
Specimen Stability
| Ambient | Up to 24 hours at room temperature |
| Refrigerated (4°C to 8°C) | 24 Hours |
| Frozen(-70°C to 0°C) | N/A |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine within 4 hours of arrival in lab |
| Stat Availabilty | No |
| Performing Bench | UH, WCH Hematology |
| Methodology/Method Description | Sysmex – Sysmex analyzers are equipped with PLT-F offer two diagnostic parameters; the absolute immature platelet count (IPF-#) and the fraction of immature platelets related to mature platelets (IPF%). |
Special Handling
Room Temp
CPT Codes
85055