708.4  Willful injury.
  Any person who does an act which is not justified and which is intended to cause serious injury to another commits willful injury, which is punishable as follows:
  1.  A class “C” felony, if the person causes serious injury to another.
  2.  A class “D” felony, if the person causes bodily injury to another.
[C51, §2577, 2594; R60, §4200, 4217; C73, §3857, 3875; C97, §4752, 4771, 4797; S13, §4771; C24, 27, 31, 35, 39, §12928, 12934, 12962; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, §693.1, 694.6, 697.2; C79, 81, §708.4]
99 Acts, ch 65, §5; 2013 Acts, ch 90, §184