EOSINOPHIL, NASAL SMEAR

Code
100.6800
Name
EOSINOPHIL, NASAL SMEAR
Category
None
Department
Hematology
Start Date
Expiration Date
Synonyms
Nasal Eosinophils
CPT Codes
87205
Site
Main Lab
Reference Test
ATLAS Test Code

Specimen Information

Type

Swab

Volume

Transport Info

Room temperature

Fasting Required?
False
Patient Instructions

Nasal Secretions:
Obtain specimens from each side of nose
Shape flexible wire handle of a mini-tip swab into contour of nares and nasopharynx
Insert mini-tip swab through nose to posterior nasopharynx
Leave swab in place near septum and floor of nose for 15-30 seconds, or until patient coughs.

Reference Range

Negative

Methodology

Microscopic Examination

Clinical Significance

Investigate allergic, asthmatic disorders, and parasitic infestations.

The occurrence of eosinophils has been reported in allergic conditions including allergies to medication. The nasal smear for eosinophils is a reliable test with moderately high specificity especially in children with seasonal allergic rhinitis since nasal secretions of patients with allergic rhinitis usually contains increased numbers of eosinophils.

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