1. Short title This Act may be cited as the Bipartisan HSA Improvement Act of 2018 . 2. Excepted benefits allowed as permitted insurance (a) In general Paragraph (3) of section 223(c) of the Internal Revenue Code of 1986 is amended— (1) by redesignating subparagraphs (B) and (C) as subparagraphs (C) and (D), respectively