The events of Asa’s reign, from beginning to end, are written in the book of the kings of Judah and Israel.
In the thirty-ninth year of his reign Asa was afflicted with a disease in his feet. Though his disease was severe, even in his illness he did not seek help from the LORD, but only from the physicians.
References for 2 Chronicles 16:12
Then in the forty-first year of his reign Asa died and rested with his ancestors.
They buried him in the tomb that he had cut out for himself in the City of David. They laid him on a bier covered with spices and various blended perfumes, and they made a huge fire in his honor.
References for 2 Chronicles 16:14