When there are multiple lines in such as For or If head, the indent guide lines should starts from the bottom of head.

[note286]

\documentclass{article}
\usepackage{algpseudocodex}
\begin{document}
\begin{algorithmic}[1]
\For{
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
}
\State tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
\State quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
\State consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
\EndFor
\end{algorithmic}
\end{document}

I checked the source code and found that multiple lines were not processed. It should start drawing from the bottom ② instead of the top ①.