The American Civil Liberties Union of Iowa is challenging a state law that excludes gender-affirming surgeries from Medicaid coverage.

The civil rights group filed a lawsuit May 31 in the Iowa District Court for Polk County challenging the law that the Republican-controlled Iowa Legislature passed and Gov. Kim Reynolds (R) signed May 3 to amend the state’s Health and Human Services appropriations budget.

The ACLU of Iowa said it’s asking the district court to temporarily block the state from enforcing the law, which it said creates an exception to protections from discrimination in the Iowa Civil Rights Act. The law...