State Question 802 for Medicaid expansion passed by a narrow margin in Oklahoma Tuesday, garnering 50.48 percent in favor with 49.52 percent opposed. Unofficial returns list 340,279 votes in favor statewide and 333,761 against.

The measure will become part of the state constitution which will prevent legislators from enacting rules that could make it more difficult to quality for coverage such as work requirements. Nearly 200,000 low-income adult residents are expected to gain health insurance through this measure which won’t go into effect until next year. Expansion is estimated to bring a li...