Medicaid expansion is a central feature of former President Barack Obama's Affordable Care Act, covering about 12 million people, while nearly 10 million others get subsidised private insurance.
In the midst of the coronavirus pandemic, the Trump administration on Thursday urged the Supreme Court to overturn the Affordable Care Act.
LGBTQ groups say explicit protections are needed for people seeking sex-reassignment treatment, and even for transgender people who need care for common illnesses such as diabetes or heart problems.
Donald Trump initially focused his blame on Democrats for the failure and predicted a dire future for the current law.
The US President squarely blamed his Republican party's ultra-conservative wing for the most stinging defeat.
President Donald Trump declared that Obamacare will fall apart and vowed to develop a "great" new health care plan for Americans to take its place.
Women seeking abortions and basic health services would face restrictions and struggle to pay for medical care under the House Republicans' proposed bill.
After seven years of saber-rattling, Republicans seem set to start muscling legislation through Congress reshaping the country's health care system.