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Test Code MISCEO Eosinophil Smear LAB2427

Test Method

Direct Smear; Wright-Giemsa Stained

Specimen Requirement

Nasal, sputum, sinus or urine are required.

Reference Values

Not established. Results are subject to interpretation by the
clinician.

Performance

Same day as the specimen arrives at the testing site.

CPT Code Information

89190 Other Pathology Services: Nasal smear
for eosinophils 

LOINC Code Information

30378-4 Eosinophils/100 leukocytes in Nose

Useful For

Detection of Eosinophils in clinical specimens.

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:

  1. Obtain in early morning.
  2. Have patient rinse out mouth with water, if allowed.
  3. Instruct the patient to take a deep breath and blow it out;
    take another deep breath, hold it, and cough deeply.
  4. Expectorate mucous into a sterile container or luki tube.
  5. Label appropriately [including source, date and time of
    collection]. 

Ultrasonic or Heated
Hypertonic Saline Nebulization:

  1. respiratory therapist will assist the patient with deep
    breathing treatment for 10 to 15 minutes to aid in loosening
    secretions.
  2. Follow collection procedure for deep breathing and
    coughing.

Suctioning with Use of Sputum
Trap: 

  1. Prepare suction equipment.
  2. Attach sputum trap between catheter and suction tubing.
  3. Provide intermittent suction by placing thumb on and off sputum
    trap until adequate specimen is collected.
  4. When specimen reaches the trap, keep thumb over opening until
    suction is turned off.
  5. Disconnect suction tubing and close opening with small rubber
    tubing connected to luki tube.
  6. Label appropriately [including source, date and time of
    collection].

Sinus: Collected by physician.

Urine: Random urine collection.