State includes, in addition to the several States, the District of Columbia. For those provisions related to or relying upon the Public Health Service Act, the term State includes the several States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, the Northern Mariana Islands, the U.S. Virgin Islands, American Samoa, and the Trust Territory of the Pacific Islands. For those provisions related to or relying upon the Social Security Act, such as Medicaid or the Children's Health Insurance Program, the term State shall be defined in accordance with the definition of State found at 42 U.S.C. 1301.
45 CFR § 88.2
For the purposes of this part: