(32) باب حكْمِ الْمَنِيِّ
Abu Kuraib, Ibn al-Mubarak, Ibn Abu Za'ida all of them narrated from Amr b. Maimun with the same chain of transmitters. Ibn Abu Za'ida narrated as was transmitted from Ibn Bishr that the Messenger of Allah (ﷺ) washed semen, and in the hadith transmitted on the authority of Ibn Mabarak and Abdul Wahid the words are:
" She (A'isha) reported: I used to wash it from the garment of the Messenger of Allah (ﷺ)."
Reference: Sahih Muslim 289b
In-book reference: Book 2, Hadith 139
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 571