Sputum culture
Test	Sputum culture
Indication	Isolate and identify potentailly pathogenic organisms present in the lower respiratory tract, identify isolates responsible for pneumonia, bronichitis, bronchiectasis. Presence or absence of normal upper respiratory flora is often reported.
Physiology	Potential pathogenic organisms recovered from sputum are Staphylococcus auresu, Haemophilus influenzae, Strptococcus pneumoniae, Neisseria meningitidis, Haemophilus parainfluenzae, Pseudomonas aeruginosa, Escherechia coli, Proteus sp, Moraxella catarrhalis. Organisms not routinely isolated are Haemophilus sp, Neisseria sp.0
Normal Range	Normal upper respiratory flora, Tracheal aspirate and bronchscopy speciemen should not have any growth.
Sample	Sputum, tracheal aspiration, bronchoscopy specimen, transtracheal aspirate.
Test Method	Aerobic culture.
Related Tests	Blood culture, Bordetella pertussis, Bronchoalveolar lavage, Gram stain, Legionella culture, Mycoplasma pneumoniae, Sputum cytology.
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