Thats the one...
Its usually sung during an alter call/invitation for salvation
You notice there are no words in the song about being cleaned up first BEFORE you come...
JUST AS I AM
There aren't any "Just as I am after I obey all the covenants and ordinances and word of wisdom and temple recommend requirements and tithing settlements and.....and...."
Oh well, mormons don't have altar calls...they come and get you at your house instead. ;)