Sputum Culture


Test Name Sputum Culture
Alternate Name(s)  
Laboratory Module Microbiology
Ordering Mnemonic SPUTUM
Specimen Type
  • Sputum expectorated
  • Endotracheal Suction
  • Endotracheal Tube Sputum
  • Aerosole Induced Sputum
  • Suction
  • Tracheal Aspirate
  • Transtracheal Aspirate
Collection Container Sterile Container
Container Information
Sterile Container
Collection Information

Collect an early morning specimen from a deep productive cough. Instruct the patient not to expectorate saliva or postnasal discharge.

If the specimen has a large number of epithelial cells (found in saliva), it will not be cultured as this indicates excessive oropharyngeal contamination. The specimen will be rejected and a new specimen will be requested.

Test Schedule

Daily

Routine Turnaround Time Preliminary: 24 hours Final: 72 hours
Stat Turnaround Time Preliminary: 24 hours Final: 72 hours
Critical Values As growth is detected and identified the information is made available to the health care provider.
Lab Process Notes  
Storage and Transport

Specimen should be transported to the laboratory ASAP after collection in biohazard bag.

Specimen should be stored at 2-8ºC after receipt in the laboratory.

Storage at room temperature can interfere with bacterial counts, rendering the specimen invalid.

Test Referred To On site, BGH laboratory

 

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