Respiratory culture
Test Code
CXRES
Description
Collect
Expectorated sputum: Sterile screw-cap cup.
Induced sputum: Sterile screw-cap cup.
Tracheal or endoctracheal aspirate: Sputum trap or sterile screw-cap or tube.
Bronchoalveolar lavage: Sputum trap or sterile screw-cap or tube.
Bronchial washing: Sputum trap or sterile screw-cap or tube.
Bronchial brush: Sputum trap or sterile screw-cap or tube.
Transtracheal aspirate: Sterile screw-cap tube with 1-2 ml of nonbacteriostatic 0.85%
NaCl.
Lung aspirate: Sterile screw-cap tube with 1-2 ml of nonbacteriostatic 0.85%
NaCl
Storage Transport Temp
Specimens should be transported to the lab at room temperature within 2 hours of collection or Refrigerated.
Stability
2 hours; 24 hours at 4 degrees. 3 days for Preadmission sputum
Notes
Gram Stain is included with each culture.
All sputum will be cultured regardless of stability, but the results should be interpreted with caution if cultured outside of stability window.
Performed
7 days a week
Methodology
Conventional Culture
Turnaround Time
3 days
Department
Microbiology Lab
Synonyms
RESP
Reference Interval
By Report
CPT Code
87205, 87070