Glossary

Acronyms
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Glossary and Acronyms
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CMS-1500

The uniform professional claim form.

CODE OF FEDERAL REGULATIONS

The official compilation of federal rules and requirements.

CODE SET

Under HIPAA, this is any set of codes used to encode data elements, such as tables of terms, medical concepts, medical diagnostic codes, or medical procedure codes. This includes both the codes and their descriptions. Also see Part II, 45 CFR 162.103.

CODE SET MAINTAINING ORGANIZATION

Under HIPAA, this is an organization that creates and maintains the code sets adopted by the Secretary for use in the transactions for which standards are adopted. Also see Part II, 45 CFR 162.103.

COGNITIVE IMPAIRMENT

A breakdown in a person's mental state that may affect a person's moods, fears, anxieties, and ability to think clearly.

COHORT

A population group that shares a common property, characteristic, or event, such as a year of birth or year of marriage. The most common one is the birth cohort, a group of individuals born within a defined time period, usually a calendar year or a five-year interval.

COINSURANCE (MEDICARE PRIVATE FEE-FOR-SERVICE PLAN)

The percentage of the Private Fee-for-Service Plan charge for services that you may have to pay after you pay any plan deductibles. In a Private Fee-for-Service Plan, the coinsurance payment is a percentage of the cost of the service (like 20%).

COINSURANCE (OUTPATIENT PROSPECTIVE PAYMENT SYSTEM)

The percentage of the Medicare payment rate or a hospital's billed charge that you have to pay after you pay the deductible for Medicare Part B services.

COLLEGE OF HEALTHCARE INFORMATION MANAGEMENT EXECUTIVES

A professional organization for health care Chief Information Officers (CIOs).

COMMENT

Public commentary on the merits or appropriateness of proposed or potential regulations provided in response to an NPRM, an NOI, or other federal regulatory notice.