Funding for the Children's Health Insurance Program (CHIP) was not included in a stopgap resolution that keeps the U.S. government funded until December 22, 2017.
The bill, HR 123, was passed in both the U.S. House of Representatives and the Senate on December 7 and was signed by President Donald Trump on December 8.
The law asks the U.S. Department of Health and Human services to reallocate funds to those states most in need without specifying which states should receive funding, according to multiple published reports.
"The short-term funding agreement to fund the government until Dec. 22 only includes a patchwork measure to provide funding to a handful of states," the American Academy of Pediatrics said in a statement to NBC News.