Source:http://linkedlifedata.com/resource/umls/id/C0027965
MSH: The geographic area of New England in general and when the specific state or states are not indicated. States usually included in this region are Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.,NCI: The area in the United States comprised of the following states: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, and New Jersey. (from SEERS 2004 codeset)