The decision to close the children's heart surgery unit at Leeds General Infirmary has been referred to the Secretary of State for Health.
The controversial decision in July by the Joint Committee of Primary Care Trusts was met with anger from campaigners.
But it has now been formally referred to the Secretary of State for Health for review by the Joint Health Overview and Scrutiny Committee.
Councillor Illingworth continued: "The Leeds unit also provides true co-location of services to mother and baby in the same hospital (something which is not available in many units) and a seamless transition from childhood surgery to adult provision. Leeds has one of the best cardiac networks in the UK, which will be dismantled and fragmented under the JCPCT's proposals. The Joint HOSC has called into question the quality assessment relied on by the JCPCT to inform its decision-making and public consultation - after some highly-rated units received adverse reports from the Care Quality Commission.
"The unit in Leeds is now fully staffed with four surgeons, and is expected to exceed the JCPCT target of 400 procedures in the current year. This places it among the top-performing units in the UK, carrying out substantially more procedures than other units across the country.
"The Joint HOSC remains unconvinced by the adequacy of the public consultation carried out by the JCPCT and this report highlights this and other concerns in its report. I believe these issues warrant specific and more detailed consideration by the Independent Reconfiguration Panel.”
You can read a full statement from the Safe and Sustainable Programme here.