Nephrosis kalma ce ta likitanci wacce ke nufin cutar rashin kumburin koda, wanda zai iya haifar da asarar furotin da jini a cikin fitsari, kumburi, da gazawar koda. Kalma ce ta gaba ɗaya da ake amfani da ita don bayyana kewayon cututtukan koda, gami da ƙarancin canji cuta, mai da hankali segmental glomerulosclerosis, da membranous nephropathy. Nephrosis sau da yawa ana siffanta shi da kasancewar proteinuria, wanda shine yawan furotin a cikin fitsari, da edema, wanda kumburi ne wanda ke haifar da tarin ruwa a cikin kyallen jikin.