Image I don't know if it's possible, but to add the code next to the name I don't really remember how I did it, but I believe I just went to the dropdown list creation and instead of sending just the name i send the code concatenated with the name, like:
$nameFinal = $name .= '( ' .= $code .= ')'
or something alike
edit:
I have this for females in the breeding thing
PHP Code:
$index = 0;
foreach($femaleNames as $namesF){
//echo $femaleIDsarray[$index];
$equals = " (";
$equals2 = ")";
$nameAndID = $namesF .= $equals .= $femaleIDsarray[$index] .= $equals2;
//echo $nameAndID;
//echo $femaleIDsarray[$index];
$female->add(new Option($nameAndID, $femaleIDsarray[$index]));
$index++;
}