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Test Code IPF Immature Platelet Fraction

Specimen and Container/Tube

Specimen Type: Whole blood

Preferred Specimen: lavender top

Other Acceptable specimens: not applicable 

Specimen Handling and Transport Instructions

UCMC Onsite Instructions: Collect specimen per standard collection procedure and send to laboratory immediately.

UCMC Offsite and UC MedLab Outreach Instructions: Collect specimen per standard collection procedure and send to laboratory immediately. Specimens must be received within 8 hours. If transport is delayed, refrigerate specimens prior to transport. 

Rejection Criteria

  • Common specimen rejected situations include: incorrect specimen type, insufficient volume, missing or incomplete specimen identifiers, incorrect specimen transport, or specimens outside stability limits. 
  • Frozen or heated specimens will be rejected
  • Clotted or quantity not sufficient specimens are not suitable for testing and will be rejected 

 

Reference Values

Analyte

Age

Sex

Reference Range

IPF

All

Male and female

0.9 - 4.8 %

Critical Values

Not applicable

Turnaround Time

Turnaround times are relative to the time the specimen is received in the test laboratory. 

 

STAT Turnaround Time: 60 minutes

Routine Turnaround Time: 240 minutes

 

Testing Schedule: 24/7

CPT Codes

85055

LOINC Codes

IPF 71693-6

Volume

Preferred Volume: 4.0 mL

Minimum Volume: 1.0 mL

Specimen Stability

Storage Temperature

Stability

Room temperature

(20 - 25°C)

 24 hours 

Refrigerated

(2 - 10°C)

 24 hours 

Frozen

(-20°C)

not acceptable

Collection Instructions

Collect specimen per standard laboratory collection procedures. 

Test Components

Immature Platelet Fraction

Clinical Indications

  • Measure of thrombopoietic activity
  • Ratio of immature platelets to the total number of platelets in a patient's peripheral blood 

Methodology

Sysmex XN

Synonyms/Search Keywords

Immature platelet count 

Additional Information

If significant platelet clumps are present in lavender EDTA specimen, a sodium citrate blue top tube may be requested by the laboratory for accurate platelet count. 

Last Reviewed Date

8/12/2024