Davis's Lab & Diagnostic Tests

Culture and Smear, Mycobacteria

Culture and Smear, Mycobacteria is a topic covered in the Davis's Lab & Diagnostic Tests.

To view the entire topic, please or purchase a subscription.

Davis’s Laboratory and Diagnostic Tests Online, powered by Unbound Medicine, provides nurses and students access to 400+ test monographs containing reference ranges, indications, patient preparation and result interpretation. Explore these free sample topics:


-- The first section of this topic is shown below --


Acid-fast bacilli (AFB) culture and smear, tuberculosis (TB) culture and smear, Mycobacterium culture and smear.

Common Use:
To assist in the diagnosis of tuberculosis.

Sputum, bronchopulmonary lavage, tissue, material from fine-needle aspiration, bone marrow, cerebrospinal fluid (CSF), gastric aspiration, urine, and stool.

Normal Findings:
(Method: Culture on selected media, microscopic examination of sputum by acid-fast or auramine-rhodamine fluorochrome stain) Rapid methods include: chemiluminescent-labelled DNA probes that target ribosomal RNA of the Mycobacterium radiometric carbon dioxide detection from 14C-labelled media, polymerase chain reaction/amplification techniques.

  • Culture: No growth
  • Smear: Negative for AFB
  • Rapid Testing Method: Mycobacterium

-- To view the remaining sections of this topic, please or purchase a subscription --