Ruling 511:
Performing this ghusl is not obligatory for touching a deceased person whose entire body has not yet become cold, even if one touches a part that has become cold.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)
Purity: Touching a Corpse Before It Becomes Cold
Practical Laws of Islam as per the teachings of Ayatullah Sistani
