Vitiligo classification primarily uses the Taieb and Picardo system (2010) and the Bordeaux VGICC system (2012). These classify vitiligo into non-segmental, segmental, mixed, and unclassified types, with subtypes such as acrofacial, mucosal, generalized, universal, and rare variants like vitiligo punctata, follicular, minor, and blue vitiligo. Segmental vitiligo includes unisegmental, bisegmental, and multisegmental forms. Variants include trichrome, quadri-chrome, penta-chrome, follicular, and guttate vitiligo. Vitiligo is associated with autoimmune and immunodeficiency conditions, genetic predispositions, and sometimes family history.