Eosinophil Smear

Sunquest Code:EOSM  
Epic Code:LAB333Epic Name:Eosinophil Smear
Synonyms:Nasal Smea; Sputum Smear; EOSM
Methodology:Manual enumeration of eosinophils by microscopy with a Wright's stained preparation, Hansel's stain
CPT Code:89190
Test Includes:Eosinophil percent for nasal smears and sputum.
Turnaround Time:Performed 24 hours/day; turnaround time is 8 hours.
Special Instructions:Indicate specimen type on request form.

Collection Instructions

Specimen:Nasal smear or swab or sputum
Container:Microbiology containers (Sterile tube)
Collection Instructions:Nasal secretion is most easily collected by having patient blow nose on a waxed paper or cellophane handkerchief. If no secretion is available from blowing nose, it may be necessary to remove secretion by swabbing area with a cotton applicator. Postnasal secretion may be obtained with a suction cannula. Smear specimen on a clean glass microscope slide, label, and send to laboratory in a clean specimen container. Sputum may be sent in a specimen container or smeared on a glass slide.

Processing and Shipping

Specimen Processing:Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Hematology  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Grand Itasca GICH)


Use:Increased numbers of nasal eosinophils, goblet cells, neutrophils and mast cells are found in allergic rhinitis or sinusitis. Sputum eosinophilia is seen with allergic inflammatory responses, during chronic bronchial asthma attacks; with chronic bronchitis and ascariasis.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 600"