A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Eosinophil Count, Nasal

Test Code
EOSNAS


Quest Code
426


CPT Codes
89190

Preferred Specimen
2 air-dried nasal smears submitted in a slide holder


Minimum Volume
1 air-dried smear


Other Acceptable Specimens
Nasal smear


Transport Container
Slide in slide holder


Transport Temperature
Room temperature


Specimen Stability
Room temperature: Indefinitely
Refrigerated: Unacceptable
Frozen: Unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Poor smear quality


Methodology
Microscopic Examination/Wright's Stain

Reference Range
≤2 % eos


Clinical Significance
Screening test to aid in diagnosis of allergic rhinitis.


Performing Laboratory
Quest Diagnostics-Pittsburgh Lab
875 Greentree Road
Pittsburgh, PA 15220-3508




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.