Sahih al-Bukhari 3099
صحيح البخاري#3099SahihNarrated `Aisha:(the wife of the Prophet) When the sickness of Allah's Messenger (ﷺ) got aggravated, he asked the permission of his wives that he should be treated in my house, and they permitted him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 57:8