Sinn Féin has accused the Government of failing to provide mandatory open disclosure - breaking a promise made at the time of Vicky Phelan's death.
The Patient Safety Bill will come before the Dáil again tomorrow with the addition of several amendments including one which provides for full candour of completed individual patient requested reviews of their HSE cancer screening.
However, Sinn Féin has said this falls short of full open disclosure and will only apply when women request reviews rather than placing the obligation on clinicians and laboratories.
In the Dáil, party leader Mary Lou McDonald said the Taoiseach had promised full open disclosure at the time of Ms Phelan's death.
She said the legislation would come before the Dáil again tomorrow but the debate would be guillotined and among the 50 amendments "the one we need to see prescribed in law is not here".
Ms McDonald said it was outrageous and insulting to women who have suffered as a result of cervical check failings.
In response, Minister for Public Expenditure Michael McGrath said clinical audits should not be confused with patient-requested reviews.
He said a new patient requested review process had been requested for screening following the guidelines set out by the expert review.
Mr McGrath said it would be mandatory to disclose the results of these reviews to women.
Social Democrats co-leader Róisín Shortall also criticised the Government's handling of the legislation.
She said everyone had waited six months for the amendments to the Bill and 42 pages of additional changes were circulated on Friday by the Minister with no briefing and no pre-legislative scrutiny.
She said it was an entirely unreasonable way of dealing with important business and she called for a rethink.
In a statement to RTÉ, a Department of Health spokesperson said: "Arising from recommendations in the Scally Report, the HSE commissioned an expert review of interval cancer review processes in CervicalCheck.
"The Expert Reference Group report was published in 2020 and is now being implemented.
"Our approach is based on this report, which was compiled by a group that included patient representatives and international experts.
"There may be confusion that the flawed audit that was done previously by CervicalCheck will be repeated; it won't.
"The Expert Group recommended that CervicalCheck should carry out patient-requested reviews, based on consent, to ensure patients have access to their own information."
The spokesperson added: "A new Patient Requested Review (PRR) process has been developed for cervical screening, following the guidelines from the Expert Group, and designed in conjunction with patients, including the 221+ Group.
"Before a woman participates in the screening programme, or has a test, she will be fully informed that reviews are available should she get a cancer diagnosis in the future.
"The choice of whether or not to get a review will be for patients to decide. Not all patients want a review; that will be their choice.
"It will be mandatory to fully disclose the results of these reviews to women, irrespective of the findings.
"In other words, it will be mandatory to disclose every single review that is carried out.
"Very few countries currently have mandatory disclosure in place for screening, or even offer individual patient reviews."