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Eosinophil, Miscellaneous
Test CodeEOM
CPT Codes
89190
Includes
Eosinophil % on nasal specimen, sputum, or urine.
Preferred Specimen
Nasal swab, sputum, urine
Minimum Volume
10 mL Fresh Urine
Other Acceptable Specimens
Nasal Swab
Instructions
Testing not performed if less than 3 WBC's are present per HPF
Transport Container
Sterile Urine Cup or Sterile Swab
Transport Temperature
Room Temperature
Methodology
Manual
Setup Schedule
Daily on Receipt
Report Available
Upon Completion of Analysis
Limitations
Urine pH of less than 7.0 inhibits the ability of Wright's Stain to detect Urinary Eosinophils
Reference Range
0 % Eosinophils
Clinical Significance
Nasal smear exam may be helpful in differentiating allergic state and infection. Sputum with high percent of Eosinophils may be seen in asthmatic bronchitis. Eosinophils are seen in urine under a wide variety of clinical conditions affecting the urinary tract.