Eosinophil Smear, Nasal or Sputum

Sunquest Code:EOSM  
Synonyms:Nasal Smear for Eosinophils; Sputum Smear for Eosinophils
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. Alternate: 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  (UMMC-East Bank; UMMC/UMCH-West Bank; Fairview Southdale - FSH; Fairview Lakes - FLMC; Fairview Northland - FNMC; Fairview Range - FRMC)

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