Home
HelpEpic Test Code LAB21007 WBC's in Nasal Fluids
Performing Location(s)
BMC
Synonyms
Eosinophil stain, Hansel stain
Specimen Type
Culturette swab or 2 thin dried smears
Volume to Submit for Testing
1 mL Nasal Fluid
Minimum Volume
One dried smear
Storage Requirements
Keep at room temperature, if delivery to the laboratory is delayed.
Transportation Needs
Deliver to the laboratory immediately; if submitting prepared smears, transport to lab in cardboard or plastic slide container
Reference Values
| Population | Units | Reference Range |
| All populations | (none) | No WBCs present |
Causes for Rejection
Mislabeled or unlabeled specimen
Excessively thick smears
Insufficient quanity of sample
Clotted
Too viscous
Nasal swab not sterile
> 8 hours at Room Temperature
Available STAT
Yes
Days of Analysis
All
Additional Information
Indicate body fluid type on laboratory requisition
If submitting prepared smears of the secretion, label slides using pencil with patient’s name and medical record number and place in cardboard or plastic slide container
Includes
Microscopic examination for the presence of eosinophils and neutrophils
Methodology
Microscopic evaluation of Wright’s stained smears
CPT Code
89190
Last Updated
22-July-19