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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Smear for Eosinophils, Nasopharyngeal Swab


CPT Code(s): 89190

Methodology: Manual Microscopy

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: Not available stat.
Routine: Up to 4 hours.

Specimen Requirements

Specimen: Nasal swab

Collection Instructions: Collect nasopharyngeal swab and make smear on microscope slide.  Mark side on which smear is made.

Specimen Transport: Place in protective slide holder and transport specimen to UWHC Core Laboratory (B4/220).


No reference range available for nasal secretions.

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