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Test Code
TEOS
Test Name
Eosinophil Count, Whole Blood
Expected Turnaround Time
1 day
Clinical Utility

Used in the evaluation of allergic and asthmatic disorders, drug reactions, some myeloproliferative disorders, and parasitic infections.
Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Microtainer, Lavender Top (EDTA) 

Desired Specimen Volume: 1mL

Alternate Specimen Volume: 0.5mL in Microtainer
Collection Instructions

Invert tube 8 - 10 times immediately after tube is filled at the time of collection.
Transport Instructions

Transport to the laboratory at room temperature within 24 hours, if testing cannot be performed within 24 hours of collection transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

24 hours

Refrigerated

48 hours
Causes for Rejection
  • Clotted specimen
  • Quantity not sufficient for testing
Methodology
Automated Analyzer
Reference Intervals

Hematology Reference Intervals
Performing Location
1503 North Cedar Crest Surgery Center, 17th Street Hospital, 2310 Highland Avenue Surgery Center, Carbon Hospital, Cedar Crest Hospital, Dickson City Hospital, Hazleton Hospital, Hecktown Oaks Hospital, Muhlenberg Hospital, Pocono Hospital, Redeemer Health, Roble Road Core Laboratory, Schuylkill Hospital
Alternate Names
  • Absolute Eosinophil Count
  • Total EOS Count
  • Total Eosinophils
Testing Schedule
Routine daily, STAT testing available
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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