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Test Code Eo ABS ct Eosinophil Count Absolute (H032)

Aliases

Total EOS

Useful For

An absolute eosinophil count is a blood test that measures the number of white blood cells called eosinophils. Eosinophils become active when there are allergic diseases, infections or other medical conditions.

Collection Method

Venous draw, Capillary Draw

Minimum Volume

Adult: 1 mL, Pediatric 300 uL

Container

Purple (EDTA)

Preferred Specimen

Whole Blood

Acceptable Specimens

EDTA Whole Blood, BD MAP tubes

Reference or Target Ranges

EOSINOPHILS  
Birth – 5 months 0.02 – 0.85 × 109/L
6 months – 11 months 0.05-0.70 × 109/L
1 -5 years 0.0 – 0.65 × 109/L
6 – 15 years 0.00 – 0.50 × 109/L
Adults 0.05 – 0.50 × 109/L

Reportable Units

109 L

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other Clotted; QNS, Contaminated; improperly labeled

Specimen Stability

Ambient Up to 24 hrs. at room temp.
Refrigerated (4°C to 8°C) N/A
Frozen(-70°C to 0°C) N/A

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Routine: Within 4 hours of arrival to lab
Stat Availabilty No
Stat Availabilty N/A
Performing Bench UH, WCH Hematology
Methodology/Method Description Sysmex – The eosinophils are evaluated using flow cytometry with a semiconductor laser exploiting the differences in cell size, complexity and RNA/DNA content.

Special Handling

Room Temp

CPT Codes

85048

Reflex Testing

Smear Reviews, Pathology QA reviews