Cardiff Royal Infirmary is among the hospitals involved in the Jimmy Savile abuse investigation.
Health Minister Norman Lamb confirmed its inclusion in a written Parliamentary answer to a question by Tim Loughton MP.
13 hospitals across the UK are under investigation, following revelations of abuse carried out by the DJ and broadcaster.
The reports are expected to be completed by June 2014.
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AMs have passed emergency legislation, asserting that after Brexit the Assembly should get all EU powers on devolved matters.