Isaiah 38:1
In those days was Hezekiah sick unto death. And Isaiah the prophet the son of Amoz came unto him, and said unto him, Thus saith the Lord, Set thine house in order: for thou shalt die, and not live.
Cross-reference
Isaiah 39:3 shows another visit from Isaiah to Hezekiah after his recovery, questioning him about Babylon's envoys — a later scene with a different tone.
Isaiah 39:4 continues the same post-recovery conversation, where Hezekiah admits showing all his treasures — revealing pride soon after the death sentence was lifted.
Isaiah 37:21 records another divine message delivered to Hezekiah through the same prophet — this time a promise of deliverance, contrasting the death sentence here.
In 2 Kings 20:1-11, the same story is told with added details: Hezekiah's prayer, Isaiah's message, and the sign of the shadow.
In 2 Chronicles 32:24, the same event is summarized: Hezekiah prayed, God answered, and a sign was given.
Jeremiah 18:7-10 explains God's principle of relenting from announced judgment if the people repent — exactly what happens with Hezekiah's prayer and healing.
Jonah 3:10 describes God relenting after Nineveh's repentance — directly mirroring how God spared Hezekiah after his prayer and tears.
Deuteronomy 31:14 similarly records God telling Moses his death is near — a parallel divine death announcement to a leader.