Test Code N.SPUTUM CULTURE,SPUTUM
Methodology
Automated Microbiology Analyzer
Specimen Requirements
Submit only 1 of the following specimens:
Endotracheal Secretion
Container/Tube: Sterile container(s)
Specimen Volume: 2 mL (minimum volume: 0.5 mL) of endotracheal secretion
Collection Instructions:
- If aspirated in a syringe, replace needle with a sterile, rubber cap prior to transporting specimen.
- Label container/syringe with patient’s legal name, date and actual time of collection, and type of specimen.
Expectorated
Container/Tube: Sterile container(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of sputum-24-Hour collection is not acceptable.
Collection Instructions:
- Instruct patient to cough deeply and expectorate sputum into container.
- Label container with patient’s legal name, date and actual time of collection, and type of specimen.
Note: A “deep cough” specimen, not saliva, must be collected for an adequate evaluation.
Induced
Container/Tube: Sterile container(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of sputum-24-Hour collection is not acceptable.
Collection Instructions:
- 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 sputum into container.
- 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 legal name, date and actual time of collection, and type of specimen.
Note: A “deep cough” specimen, not saliva, must be collected for an adequate evaluation.
Specimen Transport/Stability
Store and transport at room temperature
Maximum Laboratory Time
2 to 10 days
Reference Ranges
Gram Stain: | Varies |
Culture: | Usual Upper Respiratory Flora |
Reflex: | If pathogenic organisms are definitively identified |
If antimicrobial susceptibility testing is appropriate |
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
87205
87070