Senate Bill 1 is also known as Ava’s Law. It will require insurers to offer $30,000 of health coverage to treat children with the condition.
Both chambers of the Georgia General Assembly agreed to a compromise measure earlier this month. Similar proposals have come forward for several years but never passed over House leaders’ objections that it would burden small business owners.
Supporters say the change will encourage early diagnosis and treatment of autism.
Governor Nathan Deal is expected to sign the legislation into law on Wednesday at 11:30 a.m. at the Capitol.
The Associated Press contributed to this report.