Test Code EOSINO Eosinophil Smear
Additional Codes
- Expanse Test Name:Eosinophil Smear
- Medinet Ref Code:EOSINO
- OV Code: RM*EOSINO
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Hansel’s Stain
Specimen Requirements
Submit only 1 of the following specimens:
Nasopharyngeal Swab
Specimen must arrive within 2 hours of collection.
1. Obtain specimen using a nasopharyngeal swab.
2. Remove cap with swab attached. Holding swab between thumb and
forefinger of 1 hand and sheath in other hand, give soft wire a
10° to 20° bend. This slight curve fits nose better, making
procedure more comfortable for patient.
3. Slide swab along floor of nose (hand down by patient’s
chin to start swab) with very light pressure to nasopharyngeal
wall.
4. Rotate swab and remove along floor of nose.
5. Return swab to transport tube.
6. Label container with patient’s name (first and last), date and actual time of collection, and type of specimen.
Note: Specimen source is required on request form for processing.
Slides
1. Using a lead pencil, write patient’s name on frosted/coated end of slide(s).
2. Obtain specimen using a nasopharyngeal swab.
3. Remove cap with swab attached. Holding swab between thumb and
forefinger of 1 hand and sheath in other hand, give soft wire a
10° to 20° bend. This slight curve fits nose better, making
procedure more comfortable for patient.
4. Slide swab along floor of nose (hand down by patient’s
chin to start swab) with very light pressure to nasopharyngeal
wall.
5. Rotate swab and remove along floor of nose.
6. Rolling swab across non-frosted end of slide(s), spread a thin layer of cells. Make at least 2 slides.
7. Allow slides to air dry.
8. Place slides in plastic slide holder.
9. Label holder with patient’s name (first and last), date of birth, date and actual time of collection, and type of specimen
Note: Specimen source is required on request form for processing.
Urine
Specimen must arrive within 3 hours of collection.
12 mL from a random urine collection.
Note: Specimen source is required on request form for processing.
Reference Values
Negative
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
87205 - Urine (if appropriate)
89190 - Nose or sputum (if appropriate)