You can search JIS X 0213 standard from http://www.jisc.go.jp/app/jis/general/GnrJISSearch.html .
Another source is here: https://ja.wikipedia.org/wiki/JIS_X_0213非漢字一覧 . This is full list of non-kanji characters in JIS X 0213. Mostly all values in the “Unicode” column is not in the range of “Halfwidth and Fullwidth Forms (U+FF00-FFEF)”
Generally, JIS X 0213 used with ISO-8859 or JIS X 0201. ISO-8859 does not contain halfwidth or fullwidth forms. JIS X 0201 does contains halfwidth katakana, corner blackets, ideographic comma/fullstop and bullet, but does not contains fullwidth forms.