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Test Name:
Eosinophil Count, Blood
- SBMF No:
25031 - Performance Lab Name:
Hematology - Test Mnemonic:
EO COUNT - ABN:
May be required – Medical Necessity - CPT Code:
85048 - LOINC Code:
711-2 - Also See:
25029 Eosinophil Smear, Nasal Secretions or Urine - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
1.0 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Refrigerated - Spec Stability:
24 hours refrigerated (2-8°C) - Methodology:
Pulse Measurement technology, Hydrodynamic Focusing, RF (Radio-Frequency) detection, and DC (Direct Current) detection - Use:
A total blood eosinophil count is of value in excluding the diagnosis of allergic interstitial nephritis - Clinical Significance:
Aid in diagnosis of allergy, parasitic infestations, tuberculosis, brucellosis, collagen disease, Hodgkin’s disease, myeloproliferative diseases, and the acute hypereosinophilic syndrome. Eos are increased with angioeurotic edema, dermatitis, thymic disorders, radiotherapy, splenectomy, convalescence from a febrile illness, and hypoadrenocorticism (Addison’s disease). Decreased eosinophils occur in adrenal cortical hyperplasia (Cushing’s syndrome), cortisone therapy, hormone-secreting tumors, intermenstrual period, acute and chronic inflammation, and anoxia. - Reference Range:
0-1 weeks: 0.20-0.82 K/uL
1-4 weeks: 0.16-0.86 K/uL
4 weeks and older: 0.11-0.55 K/uL - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
HEMATOLOGY
