However, he has featured in just four games this season having had a procedure to treat an irregular heart rhythm detected in a League Cup game against Burton Albion in September.
"I think it's pretty much already been said", Carrick told his pre-match press conference. "To be honest with you".
Carrick grew up near Newcastle but moved to West Ham aged 15, where he made his professional debut.
Carrick is to be offered a place on the manager's coaching staff but he would only say that is a "likely" option at the moment.
Obviously, the news has come as an upsetting incident for United fans, but won't be too anxious about a replacement for the 36-year-old with the current emergence of youngster Scott McTominay.
"There comes a time when your body tells you it is time to stop".
With United out of contention in the Premier League, their sole chances of winning any silverware in Carrick's final season lie in the UEFA Champions League and the FA Cup. "It's something that you have got to accept". "But it's looking likely, yes".
'It took a little bit of time to get over but there were some times when, for two or three days, I was thinking "am I going to carry on playing or not?" or "is it kind of worth it or not?" but that quickly passed. "That is where I am at", Carrick said, as reported by the BBC.
'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.
"I need to keep myself fit and ready".