Jami` at-Tirmidhi 821
جامع الترمذي#821Sahihحَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ، قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ " لَبَّيْكَ بِعُمْرَةٍ وَحَجَّةٍ " . قَالَ وَفِي الْبَابِ عَنْ عُمَرَ وَعِمْرَانَ بْنِ حُصَيْنٍ . قَالَ أَبُو عِيسَى حَدِيثُ أَنَسٍ حَدِيثٌ حَسَنٌ صَحِيحٌ . وَقَدْ ذَهَبَ بَعْضُ أَهْلِ الْعِلْمِ إِلَى هَذَا . وَاخْتَارُوهُ مِنْ أَهْلِ الْكُوفَةِ وَغَيْرِهِمْ .
Anas narrated:"I heard the Prophet saying: (Labbaika Bi'umratin wa Hajjah) 'Here I am for 'Umrah and Hajj
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 9:14