It is narrated from Hazrat Uqbah bin Aamir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: A person who dies of the disease called "Zaatul Janb" is a martyr.
Hadith Referenceمسند احمد / مسند الشاميين / 17434
Hadith Gradingحکم دارالسلام:حسن لغيره، وهذا إسناد ضعيف، ابن لهيعة سيئ الحفظ