Hadith.5281 - Ibn Mahbub narrated from Abu Ayyub from Buraid Al-Ijli from Abu Jafar Imam Muhammad ibn Ali Al-Baqir (as) who said
"For the tongue of a mute person, the eye of a blind person, and the private parts and testicles of a free eunuch, one-third of the full blood money (diyya) is due.
However, for the private part of a young boy, the full blood money is due."