Kerridge first appeared in court two weeks ago and was remanded to reappear in the High Court at Hamilton this morning when she denied the one charge.
She will join her co-offenders at trial, which is set down for four weeks from July 1.
Simon Peter Walker, 36, of Hamilton, denies charges of murder, kidnapping, conspiring to defeat the course of justice and interfering with human remains.
Leon Colin Wilson, 49, of Hamilton, denies manslaughter, kidnapping and conspiring to defeat the course of justice.
Christopher Ramia Smith, 34, denies charges of murder, kidnapping and conspiring to defeat the course of justice.
Dylan Ken Brian Boyle, 21, of Hamilton, denies charges of manslaughter, kidnapping and conspiring to defeat the course of justice.
James Lee Green, 27, of Western Bay of Plenty, is on bail and was excused from attending. He denies charges of conspiring to defeat the course of justice and interfering with human remains. Through his lawyer Sheila Cameron, he has previously intimated a guilty plea on a charge of driving while disqualified.
Grant Stewart Wickens, 33, of Hamilton denies charges of manslaughter, kidnapping and conspiring to defeat the course of justice.