Test Code Billings Clinic: 4817 Culture, Sputum, Legionella
Performing Laboratory
Montana Public Health Laboratory, Helena, Montana
Methodology
Conventional Culture with Fluorescent Antibody Procedure Utilized for Identification of Positive Cultures
Specimen Requirements
Submit only 1 of the following specimens:
Induced
- Fill ultrasonic nebulizer with 10 mL of 3% sterile sodium chloride solution.
- Seat patient in front of nebulizer.
- Turn on nebulizer and note strong flow of nebulizer saline from end of flex tubing.
- Instruct patient to put end of flex tubing inside lips and inhale aerosol slowly and deeply.
- Instruct patient to cough deeply and expectorate 2 mL of sputum into a screw-capped, sterile container.
- 24-Hour sputum collection is not acceptable.
- “Deep” cough specimen, not saliva, must be collected for an adequate evaluation.
- Any specimen containing >25 epithelial cells per low-power field will be rejected because of oral contamination.
- If patient cannot expectorate sputum, 5 to 10 minutes of chest percussion may be administered to stimulate cough and sputum production.
- Label container with patient’s name (first and last), date and actual time of collection, and type of specimen.
- Maintain sterility and forward promptly at ambient or refrigerated temperature.
- Specimen source is required on request form for processing.
Spontaneous
- Instruct patient to cough deeply and expectorate 2 mL of sputum into a screw-capped, sterile container.
- 24-Hour sputum collection is not acceptable.
- “Deep” cough specimen, not saliva, must be collected for an adequate evaluation.
- Any specimen containing >25 epithelial cells per low-power field will be rejected because of oral contamination.
- Label container with patient’s name (first and last), date and actual time of collection, and type of specimen.
- Maintain sterility and forward promptly at ambient or refrigerated temperature.
- Specimen source is required on request form for processing.
Reference Values
Reference values are included with patient’s report.
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
87081