Test Code MISCEO Eosinophil Smear LAB2427
Test Method
Direct Smear; Wright-Giemsa Stained
Performance
Same day as the specimen arrives at the testing site.
Specimen Requirement
Nasal, sputum, sinus or urine are required.
Useful For
Detection of Eosinophils in clinical specimens.
Reference Values
Not established. Results are subject to interpretation by
the
clinician.
CPT Code Information
89190 Other Pathology Services: Nasal smear
for eosinophils
LOINC Code Information
30378-4 Eosinophils/100 leukocytes in Nose
Additional Specimen Collection Information
Nasal: Collection of specimen may be taken from each side of
the
nose by swabbing with a cotton applicator. Secretion is most
easily
collected by having the patient blow the nose on waxed paper or
parafilm.
Sputum: Collect specimen via one of the following
methods:
Deep Breathing and
Coughing:
- Obtain in early morning.
- Have patient rinse out mouth with water, if allowed.
- Instruct the patient to take a deep breath and blow it out;
take another deep breath, hold it, and cough deeply. - Expectorate mucous into a sterile container or luki tube.
- Label appropriately [including source, date and time of
collection].
Ultrasonic or Heated
Hypertonic Saline Nebulization:
- respiratory therapist will assist the patient with deep
breathing treatment for 10 to 15 minutes to aid in loosening
secretions. - Follow collection procedure for deep breathing and
coughing.
Suctioning with Use of
Sputum
Trap:
- Prepare suction equipment.
- Attach sputum trap between catheter and suction tubing.
- Provide intermittent suction by placing thumb on and off
sputum
trap until adequate specimen is collected. - When specimen reaches the trap, keep thumb over opening
until
suction is turned off. - Disconnect suction tubing and close opening with small
rubber
tubing connected to luki tube. - Label appropriately [including source, date and time of
collection].
Sinus: Collected by physician.
Urine: Random urine collection.