"For years my mum’s been telling me to grow the f**K up and start wearing matching socks and to get private health insurance," he captioned the photos.
"Anyway, years later, here I am, wearing odd socks in a public hospital. The upside is that Australia is awesome. All the nurses and doctors here on the Goldy are the absolute best and thanks to them I’m on the mend.
"Feeling very lucky to have been born here....Australia I mean, not hospital....but I guess both are lucky."
"...anyway also on the upside, GO MAROONS!!!!!!!!" he said, in reference to Wednesday night's State of Origin game.
While the funnyman was happy to post the revealing pics, he declined to tell fans why he was in hospital, causing questions in the comments section.
"Oh Tommy hope all is OK?" one asked.
Another wrote: "What's up Tommy?"
Many more shared the well-wishes and offered the comedian a speedy recovery.
Get well soon, Tommy!