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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The Lesbian, Gay, Bisexual and Transgendered communities in Cardiff are celebrating 30 years of campaigning; as part of LGBT History Month.