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(1) The HHS agency responsible for Medicare and parts of Medicaid. Centers for Medicare & Medicaid Services has historically maintained the UB-92 institutional EMC format specifications, the professional EMC NSF specifications, and specifications for various certifications and authorizations used by the Medicare and Medicaid programs. Centers for Medicare & Medicaid Services also maintains the HCPCS medical code set and the Medicare Remittance Advice Remark Codes administrative code set. 

(2) The federal agency that runs the Medicare program. In addition, CMS works with the States to run the Medicaid program. CMS works to make sure that the beneficiaries in these programs are able to get high quality health care.