Senate Finance Committee member Sen. Jay Rockefeller, D-W.Va., during the markup of health care legislation on Capitol Hill in Washington, Tuesday, Sept. 29, 2009. (AP Photo/Susan Walsh)
Washington (AP) - In a vote with far-reaching political implications, senators writing a health care overhaul Wednesday rejected a bid to strengthen anti-abortion provisions in the legislation - which could reach the Senate floor in the next two weeks.

The 13-10 vote by the Senate Finance Committee could threaten support for the health care bill from some Catholics who otherwise back its broad goal of expanding coverage. But women's groups are likely to see the committee's action as a reasonable compromise on a divisive issue that is always fraught with difficulties.

Sen. Orrin Hatch, R-Utah, argued that provisions already in the bill to restrict federal funding for abortions needed to be tightened to guarantee they would be ironclad.

But his amendment failed to carry the day. One Republican - Olympia Snowe of Maine - voted with the majority. One Democrat - Kent Conrad of North Dakota - supported Hatch.

Separately, Senate Majority Leader Harry Reid, D-Nev., said that the full Senate could start voting on health care legislation the week of Oct. 12, after the Columbus Day holiday. Reid has to meld the Finance bill with legislation that the Senate Health, Education, Labor and Pensions Committee approved this summer.

Conservatives also are determined to strengthen prohibitions against illegal immigrants getting federal funding to buy insurance.

Sen. Charles Grassley of Iowa offered an amendment that would have helped cut fraud in health care programs for low-income people. It would have required applicants to present a government-issued ID when applying for Medicaid or the children's health care program.

But Democrats said unscrupulous medical providers - not beneficiaries - are usually the ones responsible for fraud. They said current ID requirements for beneficiaries are strong enough. The vote was 13-10, against the amendment.

Emotions ran high over the health care issue in Congress.

In the House, a Democratic lawmaker angered Republicans when he summed up their health care alternative as the GOP wanting Americans to "die quickly" if they get sick. Rep. Alan Grayson of Florida has refused to apologize for his remarks on the House floor Tuesday night in which he called GOP health care proposals a "blank piece of paper."

Republicans are likening the remarks to Rep. Joe Wilson's widely criticized shout of "You lie!" during Obama's address to Congress earlier this month. They say Democrats should insist that Grayson apologize just as they insisted Wilson, R-S.C., should.

The abortion debate in the Senate Finance Committee is certain to be waged again - with higher stakes and greater intensity - on the Senate floor.

Finance chairman Max Baucus, D-Mont., argued that his bill already incorporates federal law that bars abortion funding, except in cases of rape, incest or to save the life of the mother. It would require health plans to keep federal subsidies separate from any funds used to pay for abortions in all other cases.

A major concern for abortion opponents - including Catholic bishops - is that those underlying restrictions have to be renewed every year. If Congress fails to renew the ban one year, plans funded through the health care overhaul would be allowed to cover the procedure, abortion opponents contend.

Abortion rights supporters respond that adding a permanent restriction on abortion funding to the health bill would actually go beyond current federal law - in which such curbs have to be renewed every year.

"This is a health care bill," said Baucus. "This is not an abortion bill. And we are not changing current law."

Hatch said his language, "would codify it, so we don't have to go through it every year."

Abortion rights supporters said the Hatch language could deny coverage for abortion to working women signing up for coverage through private plans.

Its approval would be a "poison pill ... if it is hung on this legislation," said Sen. Maria Cantwell, D-Wash.

The committee also rejected 13-10 a second Hatch amendment that would have strengthened current legal protections for health care professionals who refuse to perform abortions or other procedures on grounds of moral or religious objections.

Abortion and immigration are also pending controversies in the House, where Democratic leaders hope to finalize legislation this week that would merge the work of three separate committees into one. House Democrats are struggling over how to pare the bill down to $900 billion over 10 years - Obama's preferred price tag and about how much the Senate Finance version costs.

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AP writer Erica Werner contributed to this report.