In the snap, the 43-year-old could be seen at the end of the hospital hall at the Plaster Room, alongside various consulting rooms.
The mum-of-five didn’t confirm the reason behind her visit but instead shared some rap lyrics.
The reality star previously suffered issues with her feet after a horror fall while on holiday last year.
In view of her 2.7 million followers, Katie accompanied her post with Eminem’s 2002 hit single, Without Me.
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Part of the lyrics from the rapper’s iconic track read: “Guess who’s back, back again? Shady’s back, tell a friend.”
Katie recently suffered problems with her feet after falling from a 25ft concrete wall during a holiday to Turkey in August 2020.
Following the horrific incident, the reality star struggled to walk and required eight-hour surgery to fuse her broken bones back together.
She previously addressed the impact of her life-changing injury during a candid interview.
The star’s health update comes just hours after Katie reviewed this year’s contestants on ITV’s I’m A Celebrity… Get Me Out Of Here!
The reality star, who famously found love with former husband Peter Andre on the show, reacted to the programme’s opening episode.
The mum-of-five called out some of the contestants for having “even less followers” than her current fiancé Carl.
He then added on the video posted to Katie’s Instagram: “Even me, a nobody, has more followers than some of these people.