Cov kab mob ua rau muaj kev cuam tshuam ntau yam ntawm peb txoj kev noj qab haus huv nrog rau kev pheej hmoo ntawm qee yam qog noj ntshav. Cov kab mob tuaj yeem ua lub luag haujlwm hauv kev pib mob qog noj ntshav thiab kev loj hlob los ntawm kev tsim cov DNA ua rau cov co toxins thiab carcinogenic metabolites. Cov khoom los ntawm cov khoom no ua rau cov qog ua rau cov tshuaj chemotherapeutic thiab suppress lub cev tiv thaiv kab mob rau cov qog nqaij hlav.

Cov kev kuaj mob xws li cov kua paug, cov ntaub so ntswg, CSF, cov kua hauv lub cev, hnoos qeev, broncho-alveolar lavage, tso zis, quav thiab lwm yam yog ua tiav los ntawm cov txheej txheem kab lis kev cai thiab tshuaj xyuas microscopically. Cov kab mob thiab cov poov xab cais tawm los ntawm cov qauv kuaj mob los ntawm cov txheej txheem kab lis kev cai tau txheeb xyuas ntxiv thiab kuaj xyuas lawv qhov cuam tshuam rau cov tshuaj tua kab mob thiab tshuaj tiv thaiv kab mob. Cov txheej txheem kuaj mob no qhia tus kws kho mob nrog kev kuaj mob kom tsim nyog ntawm cov kab mob, cov kab mob fungal thiab mycobacteria, ua kom yooj yim pib siv tshuaj tua kab mob, tshuaj tua kab mob lossis tshuaj tiv thaiv tubercular.

Kev kuaj mob serological yog muab rau cov kab mob HIV, kab mob siab B thiab kab mob siab C los ntawm kev tshuaj xyuas cov ntshav kuaj ntshav ntawm lub tshuab hluav taws xob Immuno analyzer. Kev kuaj kab mob tiv thaiv kab mob Cytomegalovirus, tus kab mob Herpes simplex yog ua los ntawm ELISA txoj kev. Ib qho tshwj xeeb, tshwj xeeb kev kuaj mob serological muaj nyob rau ntawm peb chav tsev yog Aspergillus galactomannan antigen ELISA raws li kev soj ntsuam.