Crumbling concrete, known as RAAC, is believed to be present in four areas of the General Hospital.
The Infrastructure Minister, Deputy Tom Binet, says it was found after 'exhaustive investigations'.
"Structural engineers will now undertake a full site inspection to confirm whether RAAC is present and in the event that it is, all necessary measures will be taken to ensure that the buildings are made safe for the longer term.
Man arrested over 'serious assault' in St Helier
A man has been arrested over a serious assault in St Helier that left another man needing hospital treatment.
Enhanced ferry services boost tourism in Guernsey
Islands Unlimited reopens the Jersey route while Brittany Ferries increases French visitor numbers.
Sark joins TikTok and YouTube in new marketing push
The island's new approach to marketing hopes to attract more young tourists to the island.
Deputy Jonathan Le Tocq remanded in custody
A former Guernsey Chief Minister has been remanded in custody after appearing in court.
Senior Guernsey politician to appear in court charged with multiple offences
Deputy Jonathan Le Tocq will appear in court charged with multiple offences, with some relating to indecent images of children and extreme pornography.
Jersey's average yearly earnings top £54k
Real-term earnings in Jersey have gone up by just 0.5% since 2001.
Call for more St Helier deputies in place of two senators
There has been a last-minute call to change the plans to reintroduce senators to Jersey's politics, with St Helier's Constable calling out the parish's under-representation.
War Tunnels buys Operation Nestegg document and plans new museum
Jersey War Tunnels has announced it wants to build a new wartime museum as it also reveals it bought the Operation Nestegg document auctioned earlier this month.
