Test Code LAB328 EOSINOPHIL SMEAR
Additional Codes
CPT Code: 89190
Methodology
This test is not performed on blood, it is performed on nasal smears or stool.
Performing Laboratory
Peninsula Regional Medical Center - Hematology
Specimen Requirements
Submit only 1 of the following specimens:
Nasal Swab or Smear
1. Collect specimen using a culture transport swab.
2. Place swab in transport tube or send nasal smear in a cardboard slide container.
3. Label tube/container with patient’s name (first and last), date and time of collection, type of specimen, and collector’s initials.
4. Forward promptly to laboratory.
Note: Specimen source is required.
Nasal secretions or nasopharyngeal washing collected in a sterile container are also acceptable.
Stool Specimen
1. Submit stool specimen in a screw-capped, sterile container.
2. Label container with patient’s name (first and last), date and time of collection, type of specimen, and collector’s initials.
3. Maintain sterility and forward promptly to laboratory.
Note: Specimen source is required.
Reference Values
Negative