As an independent sinogram 鼻 is a Chinese character. It is one of the Kyōiku kanji or Kanji taught in elementary school in Japan.[1] Specifically it is a third grade kanji.[1]
Fazzioli, Edoardo (1987). Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN0-89659-774-1.