Mishkat al-Masabih
He also reported God’s messenger as saying, “The Qadariya are the Magians of this people. If they are ill, do not visit them, and if they die, do not attend their funerals." Ahmad and Abu Dawud transmitted it.
وَعَنِ ابْنِ عُمَرَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «الْقَدَرِيَّةُ مَجُوسُ هَذِهِ الْأُمَّةِ إِنْ مَرِضُوا فَلَا تَعُودُوهُمْ وَإِنْ مَاتُوا فَلَا تشهدوهم» . رَوَاهُ أَحْمد وَأَبُو دَاوُد
Grade: Isnād Da'īf and the Hadīth is Sahīh (Zubair `Aliza'i)
حسن
Reference