In January, manager Jose Mourinho said he would be "very happy" if Carrick made a decision to stay at the club in a non-playing capacity. The midfielder said that he is likely to join manager Jose Mourinho's coaching staff in the summer. Mourinho however, kept him as a substitute in a number of games including club's latest victory over Liverpool at Old Trafford.
The club captain told a news conference on Monday: "There comes a time, whether you like it or you don't like it, that your body tells you it is time to stop playing football".
"It's fine, it's something you've got to accept so that is where I'm at".
"It's kind of been sorted", added Carrick.
"But, yeah, it's looking likely".
"I had a few tests after that and the same problem came back on the Sunday of that week in training. I've been training hard and we'll see what happens for the rest of the season", said Carrick.
"I'm totally fine now, took a bit of time to get over".
"I need to keep myself fit and ready".
The 36-year-old arrived from Tottenham Hotspur in 2006.
He, however, won 12 major trophies with Man United, including the 2008 UEFA Champions League. He also has three League Cups titles and six Community Shields under his belt.
"I understood after getting back fit that I wouldn't be playing as many games as perhaps I might have done, but that's something that I understood".
Carrick, capped 34 times by England, has looked likely to leave United in recent summers only to pen extensions at a club that rewarded his fine service with a testimonial previous year.