The flanker had been an injury doubt for the defending champions after suffering a shoulder problem back in November.
Alun Wyn Jones will captain the side in Warburton's absence for the match in Cardiff.
Wales team to face Italy:
Leigh Halfpenny, Alex Cuthbert, Scott Williams, Jamie Roberts, George North, Rhys Priestland, Mike Phillips; Paul James, Richard Hibbard, Adam Jones, Luke Charteris, Alun Wyn Jones, Dan Lydiate, Justin Tipuric, Taulupe Faletau
Replacements: Ken Owens, Ryan Bevington, Rhodri Jones, Andrew Coombs, Sam Warburton, Rhys Webb, James Hook, Liam Williams