Source:http://linkedlifedata.com/resource/umls/id/C1138431
MSH: Descriptive terms and identifying codes for reporting medical services and procedures performed by PHYSICIANS. It is produced by the AMERICAN MEDICAL ASSOCIATION and used in insurance claim reporting for MEDICARE; MEDICAID; and private health insurance programs (From CPT 2002).,NCI: A proprietary medical nomenclature of the American Medical Association widely used to report medical procedures and services under public and private health insurance programs.