Casandra
Casandra Test Code QD24921Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 425
Eosinophil Count, Blood
Clinical Use
Order TestUse
Eosinophil Count, Blood is a hematology test that measures the absolute number of eosinophils, a type of white blood cell, in peripheral blood. It is used clinically to evaluate and monitor conditions associated with eosinophilia or eosinopenia, such as allergic disorders, parasitic infections, autoimmune diseases, and certain hematologic malignancies.
Special Instructions
Maintain specimen at room temperature.
Limitations
Not provided.
Test Details
Methodology
Automated Analyzer (Hematology)
Biomarkers
Eosinophil
Cell TypeCount • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Whole Blood
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Maintain specimen at room temperature.
Related Tests
Other tests from different labs that may be relevant
Eosinophil Count
Labcorp
White Blood Cell (WBC) Count
Labcorp
Red Blood Cell (RBC) Count
Labcorp
Complete Blood Cell Count (CBC) with Differential, Blood
Mayo Clinic Lab
Histamine Determination, Whole Blood
Labcorp
Eosinophilia Panel by FISH (Change effective as of 10/20/25: Refer to 3020097 in the October Hotline)
ARUP Laboratories
Complete Blood Count (CBC) Without Differential
Labcorp
Eosinophilia FISH Panel
NeoGenomics
Histamine, Whole Blood
ARUP Laboratories
Histamine, Whole Blood
Mayo Clinic Lab
