The 49-year-old was found dead at his home in Dunmow, Essex, on 4 March.
“Police attended, all protocols were followed and his death was confirmed as not suspicious,” Coroner’s officer Lynsey Chaffe told a two-minute hearing in Chelmsford on Monday.
A post-mortem examination was carried out at Broomfield Hospital on 7 March.
Ms Chaffe said this remains under investigation while toxicology reports are awaited.
Keith Flint's wild performances remembered
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Senior coroner for Essex Caroline Beasley-Murray opened and adjourned the inquest until 23 July for a full hearing.
Flint’s bandmate Liam Howlett had earlier said in an Instagram post “our brother Keith took his own life over the weekend”.
Howlett and fellow bandmate Maxim described Flint as “a true pioneer, innovator and legend”.
They said he was their “brother and best friend” and “will be forever missed”.
Tributes pour in for Keith Flint
Flint had participated in the 5k Chelmsford Central park run on 2 March, posting a personal best time of 21.22.
The Prodigy released their seventh consecutive number one album, No Tourists, in November.
Their hit songs “Firestarter” and “Breathe” entered the Official Big Top 40 following Flint’s death.
Keith Flint's last performance with The Prodigy
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