to Miqdad, and he mentioned something similar. Miqdad asked him, and the Messenger of Allah ﷺ said, "Let him wash his private parts and his testicles."
حدثنا أحمد بن يونس حدثنا زهير عن هشام بن عروة عن عروة أن
للمقداد وذكر نحو هذا قال فسأله المقداد فقال رسول الله ﷺ ليغسل ذكره وأنثييه
No references are available.
Its chain is daif. Nasai reported it in the Book of Purification, chapter on what nullifies wudu and what does not nullify wudu regarding madhi, hadith no. 153, from the hadith of Hisham bin Urwa, and its chain is disconnected.