Methodology
Flow Cytometry
Synonyms
Reticulocyte platelets; Immature PLT fraction; IPF%
Specimen Type
Whole Blood
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Monday-Sunday
Standard TAT
1 Day
Collection Information
Specimen Required
0.5-3 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Collect Monday-Thursday 0800-1300 only, no Friday, weekends or holidays.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate
Specimen Stability
Room Temp: 24 Hours; Refrigerated (preferred): 48 Hours; Frozen: Unacceptable
Rejection Criteria
Gross hemolysis; Clotted
Test Volume Required
3 mL Whole Blood
Minimum Test Volume
0.5 mL Whole Blood
Processing Instructions
Order in Mayolink and send with Mayo courier Monday-Thursday only, no Friday, weekend or holidays.
Comments
No insurance authorization required. Ok to send on Outpatients and Inpatients.
CPT Codes
85055
Revised
5/21/26
Initials
SA