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Epic Test Code LAB298 Eosinophil Count (Absolute): Blood

Performing Location(s)

BMC,CRH,LFH,HRK,OCH,FTT,FOX,FCC

Synonyms

Total eosinophil count; absolute eosinophil count

Specimen Type

Whole Blood

Preferred Container

Lavender Top

Alternate Container

Filled Purple top microtainer

Blood Tube Draw Volume

Min 50% draw volume  

Minumum Volume to Submit for Testing

3.0 ml Whole Blood

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Transportation Needs

Deliver to lab within 12 hours at room temperature. If not possible see “storage requirements”

Storage Requirements

Refrigerate up to 24 hours.

Causes for Rejection

Mislabeled or unlabeled specimen

Less than 50% draw for Vacutainer tubes

Clotted

 

Reference Values

Population % Count Absolute Count
Newborn - 12 years old 0 - 7 0 - 642
General - > 12 years old 0 - 6 0 - 550

 

Reflex Testing

When an absolute Eosinophil Count is ordered on blood and a WBC and Differential (automated or manual) has not been ordered, a WBC and Differential (CPT’s 85048 and 85004) will be performed and billed.

 When an absolute Eosinophil Count is ordered on a blood that already has a WBC and Differential (automated or manual) ordered, it will be added on at no extra charge.

Days of Analysis

All

Available STAT

Yes

Includes

Automated quantitation of eosinophils in peripheral blood.

Methodology

Automated

CPT Code

85048 and 85004

Last Updated

30-Apr-19