2 Chronicles 26:20
And Azariah the chief priest, and all the priests, looked upon him, and, behold, he was leprous in his forehead, and they thrust him out from thence; yea, himself hasted also to go out, because the Lord had smitten him.
Cross-reference
Leviticus 13:10
Historical context
In Leviticus 13:10, the priest examines raw flesh and white hair to diagnose leprosy — the procedure Azariah would have used on Uzziah.
Numbers 12:14
Parallel
In Numbers 12:14, Miriam is struck with leprosy for opposing Moses — a direct parallel to Uzziah's leprosy for his prideful intrusion.
Deuteronomy 24:9
Allusion
In Deuteronomy 24:9, Israel is told to remember Miriam's leprosy — the same divine punishment that later befell Uzziah for his sin.