EOSINOPHIL, NASAL SMEAR
- EOSINOPHIL, NASAL SMEAR
- Start Date
- Expiration Date
- Nasal Eosinophils
- CPT Codes
- Main Lab
- Reference Test
- Transport Info
- Fasting Required?
- Patient Instructions
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
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.