Magana: Ana rarraba cutar sankara ta asibiti bisa ga yawan alamun bayyanar cututtuka, yawan fitar numfashi a cikin dakika daya (FEV1), da kuma yawan fitar numfashi. Ana iya rarraba cutar sankara a matsayin atopic (extrinsic) ko non-atopic (intrinsic), bisa la'akari da ko alamun cututtukan sun lalace ta hanyar allergens (atopic) ko a'a (non-atopic). Yayin da ake rarraba cutar sankara bisa ga tsananin, a halin yanzu babu wata hanya bayyananniya don rarraba ƙungiyoyi daban-daban na cutar sankara fiye da wannan tsarin. Neman hanyoyin gano ƙungiyoyi waɗanda ke amsawa da kyau ga nau'ikan jiyya daban-daban shine babban burin binciken cutar sankara na yanzu.
atopic (na waje) ko ba atopic (na ciki)