Sunnah.com reference : Book 2, Hadith 157English translation : Book 2, Hadith 275Arabic reference : Book 2, Hadith 277
Muslim has a Hadith narrated by Malik bin Huwairith (ﷺ) similar to the Hadith narrated by Ibn 'Umar (RA). But he (Malik bin Huwairith) mentioned:
"He [the Prophet (ﷺ)] raised his hands parallel to the end of his ears."
وَلِمُسْلِمٍ عَنْ مَالِكِ بْنِ الْحُوَيْرِثِ ‏- رضى الله عنه ‏- نَحْوُ حَدِيثِ اِبْنِ عُمَرَ , وَلَكِنْ قَالَ : { حَتَّى يُحَاذِيَ بِهِمَا فُرُوعَ أُذُنَيْهِ }   1‏ .‏‏1 ‏- صحيح .‏ رواه مسلم (391)‏ (26)‏ .‏