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Total Eosinophil Count
Test CodeTEO
CPT Codes
85048
Preferred Specimen
WHOLE BLOOD, EDTA
Minimum Volume
250 uL microtainer or 1 ml lavender top tube
Transport Container
LAV/1
Transport Temperature
Room Temp, or 2-8 degrees C
Specimen Stability
48 hours at 4-8 degrees C; 24 hours at Room Temp
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens with clots, fibrin strands, platelet clumps, hemolyzed samples, samples drawn above a line or any sample >24 hours old
Methodology
Electronic Resistance Detection with Enhanced Hydrodynamic Focusing
Setup Schedule
24/7
Report Available
24/7
Limitations
lipemia, icterus, cold agglutinin
Reference Range
0 - 500 /uL
Clinical Significance
It is sometimes necessary to determine a more accurate total number of eosinophils per cu/mm of blood. A low eosinophil count is found in hyperadrenalism (Cushing's disease), shock, and following the administration of ACTH. An increased number of eosinophils occurs in allergic reactions, parasitic infections, brucellosis and certain leukemias.