Leading medical associations are calling on lawmakers to reject Republicans' latest attempt to repeal and replace the Affordable Care Act.

In a statement issued Saturday, several doctor and hospital trade groups, including the American Medical Association and the Federation of American Hospitals said that the bill introduced by Sens. Lindsey Graham Lindsey Olin GrahamMcConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? Momentum growing among Republicans for Supreme Court vote before Election Day MORE (R-S.C.) and Bill Cassidy William (Bill) Morgan CassidyCoushatta tribe begins long road to recovery after Hurricane Laura Senators offer disaster tax relief bill Bottom line MORE (R-La.) ultimately falls short of key benchmarks, weakening patient protections and the individual insurance market.

"While we sometimes disagree on important issues in health care, we are in total agreement that Americans deserve a stable healthcare market that provides access to high-quality care and affordable coverage for all," the statement reads.

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"The Graham-Cassidy-Heller-Johnson bill does not move us closer to that goal. The Senate should reject it."

The groups also slam the Graham-Cassidy measure's proposed timelines and cuts to Medicaid, and calls for lawmakers to work on a bipartisan health care proposal.

"Health care is too important to get wrong," the statement says. "Let’s take the time to get it right. Let’s agree to find real, bipartisan solutions that make health care work for every American."

The statement was released collectively by the American Medical Association, American Academy of Family Physicians, American Hospital Association, Federation of American Hospitals, America’s Health Insurance Plans, and the BlueCross BlueShield Association.

The bill renewed the GOP's push to repeal key parts of the ACA when it was introduced earlier this month. But its chances of passage grew significantly dimmer on Friday when Sen. John McCain John Sidney McCainMomentum growing among Republicans for Supreme Court vote before Election Day McConnell urges GOP senators to 'keep your powder dry' on Supreme Court vacancy McSally says current Senate should vote on Trump nominee MORE (R-Ariz.) announced that he would not support the measure.

McCain was the second lawmaker – after Sen. Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Kent.) – to come out against the Graham-Cassidy bill. Supporters of the measure need at least 50 votes for it to pass before a Sept. 30 procedural deadline, after which the bill would require a 60-vote majority.

McCain's opposition is likely to trigger other GOP senators to come out in opposition to the bill.