Kev kuaj zis yog ib qho cuab yeej tseem ceeb rau kev kuaj mob thiab kev kho mob kev noj qab haus huv, thiab kev kho mob yog txuas ncaj qha rau kev txiav txim siab ntawm kev kho mob {}}}} Nrhiav. Txawm li cas los xij, uas tau tsav los ntawm kev muaj peev xwm lossis kev txhawj xeeb ntiag tug, xws li ntxiv dej, lossis lwm yam tshuaj ntxuav tes lossis npog cov zis. Yog li ntawd, tso zis kev deev tau sim ua ib kauj ruam tseem ceeb rau lub chaw ua hauj lwm.
Cov txheej txheem tso zis rau kev ua yeeb yam suav nrog kev ua paug dej tom qab haus dej haus (xws li siv tshuaj ntsuab) Cov kev coj ua no tuaj yeem ua rau cov kev sim txawv txav, xws li kev muaj tswv yim, lossis cov pawj, cuam tshuam txog cov kab mob ib txwm muaj.
Txhawm rau tawm tsam kev deev, lub chaw soj ntsuam feem ntau yuav tsum ua haujlwm sib tw multifaceted. Kev tshuaj ntsuam lub cev ntsuas cov zis xim, tsw ntxhiab, thiab kev pom tseeb ntawm kev txiav txim siab tias nws tsis txawv txav. Kev Ntsuas Tshuaj Xyuas Kev Tshawb Xyuas rau cov cim rau cov zis, muaj qhov qis dua), muaj qhov qis kawg nkaus), urera Nitrogen qib, lossis tshwj tseg cov seem. Cov ntawv kuaj me me tuaj yeem txheeb xyuas qhov txawv lossis muaju. Tsis tas li ntawd, cov tswv yim niaj hnub xws li tsom xam thiab isotope kev tshawb xyuas tuaj yeem yog qhov kev sib deev yog qhov tseeb dua.
To reduce adulteration, medical institutions need to strengthen oversight of sample collection, such as on-site supervision of urine collection, recording of collection times, and the use of tamper-evident sealed containers. Tsis tas li ntawd, cov qauv txawv txawv yuav tsum tau rov ua dua lossis hla}}}}}}}}}} Siv tau siv ntau txoj kev ntsuas kom ntseeg tau tias kev ntseeg tau.
Pom cov zis ua tsis yog kev sib deev tsis yog ib qho teeb meem kev teeb meem; Nws yog ib qho kev xav ntawm kev kho mob kev ncaj ncees. Tsuas yog los ntawm kev sib txuas cov qauv kev tshawb fawb nrog kev tswj nruj ua tau cov qhab nia ntsuas, muab cov qauv kev kuaj mob thiab kho mob.