Glossary

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  • Acceptable Use Policy
    Set of rules and guidelines that specify appropriate use of computer systems or networks.
    Access
    The process or ability of obtaining data from or placing data into a computer system or storage device. It refers to such actions by any individual or entity that has the appropriate authorization for such actions.
    Access Control
    To prevent the unauthorized use of health information resources.
    Accountability
    To ensure the actions of a person or agency can be traced to that individual or agency.
    Administrative Safeguards
    Administrative actions, policies and procedures that manage the selection, development, implementation and maintenance of security measures to protect electronic health information and that manage the conduct of the covered entity's workforce in relation to the protection of that information.
    Agency for Healthcare Research and Quality (AHRQ)
    AHRQ is a part of the United States Department of Health and Human Services and its mission is to improve the quality, safety, efficiency and effectiveness of healthcare for Americans.
    AHRQ - Agency for Healthcare Research and Quality
    AHRQ is a part of the United States Department of Health and Human Services and its mission is to improve the quality, safety, efficiency and effectiveness of healthcare for Americans.
    American National Standards Institute (ANSI)
    A broad based agency charged with overseeing voluntary standards development for everything from computers to household products. ANSI accredits standards development organizations (SDO) based on their consensus process, then reviews and officially approves the SDO recommendations.
    American Recovery and Reinvestment Act of 2009 (ARRA)
    A $787.2 billion stimulus measure, signed by President Obama on February 17, 2009, that provides aid to states and cities, funding for transportation and infrastructure projects, expansion of the Medicaid program to cover more unemployed workers, health IT funding, and personal and business tax breaks, among other provisions designed to "stimulate" the economy.
    American Society for Testing and Materials (ASTM)
    American Society for Testing and Materials develops standards on characteristics and performance of materials, products, systems, and services. There are numerous standards-writing technical committees. E31 is the Committee on Computerized Systems and E31.28 is the subcommittee on Healthcare Informatics responsible for the Continuity of Care (CCR) standard.
    Anonymized
    Personal information which has been processed to make it impossible to know whose information it is.
    ANSI - American National Standards Institute
    A broad based agency charged with overseeing voluntary standards development for everything from computers to household products. ANSI accredits standards development organizations (SDO) based on their consensus process, then reviews and officially approves the SDO recommendations.
    Antivirus software
    A software program that checks a computer or network to find all major types of harmful software that can damage a computer system.
    Application Service Provider (ASP)
    Application service provider is remote software that you access through a web browser. Instead of installing megabytes of software on your local C drive, you simply rent the use of some ASP software that exists elsewhere on the Internet. You never really own ASP software, you borrow it for a fee.
    Architecture
    The orderly arrangement of parts; structure.
    ARRA - American Recovery and Reinvestment Act of 2009
    A $787.2 billion stimulus measure, signed by President Obama on February 17, 2009, that provides aid to states and cities, funding for transportation and infrastructure projects, expansion of the Medicaid program to cover more unemployed workers, health IT funding, and personal and business tax breaks, among other provisions designed to "stimulate" the economy.
    ASP - Application Service Provider
    Application service provider is remote software that you access through a web browser. Instead of installing megabytes of software on your local C drive, you simply rent the use of some ASP software that exists elsewhere on the Internet. You never really own ASP software, you borrow it for a fee.
    ASTM - American Society for Testing and Materials
    American Society for Testing and Materials develops standards on characteristics and performance of materials, products, systems, and services. There are numerous standards-writing technical committees. E31 is the Committee on Computerized Systems and E31.28 is the subcommittee on Healthcare Informatics responsible for the Continuity of Care (CCR) standard.
    Asymmetric Key System
    A system designed to use different keys for encryption and decryption. Within such a system, it is computationally infeasible to determine the decryption key (which is kept private) from the encryption key (which is made publicly available).
    Audit Trail
    A chronological record of system activity, which enables the reconstruction of information regarding the creation, distribution, modification, and deletion of data. This record also shows the specific individuals who have accessed a computer and what they have done while they were in that computer.
    Authentication
    Any process by which a system verifies the identity of a user before allowing access to an information system.
    Authorization
    The role or set of permissions for information system activity assigned to an individual.
    Availability
    Data or information is accessible and useable upon demand by an authorized person.
  • BAA
    Business Associate Agreement
    Backup
    A copy of files made to regain lost information if necessary.
  • CA - Certification Authority
    The entity providing third party trust within Public Key Infrastructure (PKI).
    CCD - Continuity of Care Document
    A summary of a patient's health information for each visit to a health care provider to be delivered through the health information exchange.
    CCHIT - Certification Commission for Healthcare Information Technology
    A recognized certification body (RCB) for electronic health records and their networks. It is an independent, voluntary, private-sector initiative, established by the American Health Information Management Association (AHIMA), the Healthcare Information and Management Systems Society (HIMSS), and The National Alliance for Health Information Technology.
    CCR - Continuity of Care Record
    A standard specification being developed jointly by ASTM International, the Massachusetts Medical Society (MMS), the Health Information Management and Systems Society (HIMSS), the American Academy of Family Physicians (AAFP), and the American Academy of Pediatrics. It is intended to foster and improve continuity of patient care, to reduce medical errors, and to assure at least a minimum standard of health information transportability when a patient is referred or transferred to, or is otherwise seen by, another provider.
    CDA - Clinical Document Architecture
    A HL7 standard for the representation and machine processing of clinical documents in a way which makes the documents both human readable and machine processable, and guarantees preservation of the content by using the eXtensible Markup Language (XML) standard. It is a useful approach to management of documents which make up a large part of the clinical information processing arena.
    Centers for Medicare and Medicaid Services (CMS)
    CMS is the Federal agency within the United States Department of Health and Human Services that administers the Medicare program and works in partnership with state governments to administer Medicaid, the State Children's Health Insurance Program (SCHIP), and health insurance portability standards.
    Certification
    A complete examination of an information system to be sure that the system can perform at the level required to support the intended results and meet the national standards for health information technology.
    Certification Authority (CA)
    The entity providing third party trust within Public Key Infrastructure (PKI).
    Certification Commission for Healthcare IT (CCHIT)
    A recognized certification body (RCB) for electronic health records and their networks. It is an independent, voluntary, private-sector initiative, established by the American Health Information Management Association (AHIMA), the Healthcare Information and Management Systems Society (HIMSS), and The National Alliance for Health Information Technology.
    Certification/Conformance Testing
    The monitored performance (test) of a product for the existence of specific features, functions, or characteristics required by a standard in order to determine the extent to which that product satisfies the standard requirements.
    Certified EHR Technology
    An electronic record of health-related information system (whether complete or modular) that (1) meets the requirements included in the definition of a Qualified EHR; and (2) has been tested and certified in accordance with the certification program established by the National Coordinator as having met all applicable certification criteria adopted by the Secretary. This technology must be used by an Eligible Professional (EP) or Eligible Hospital (EH) in order to qualify for financial incentives (and avoid reimbursement penalties).
    Clinical Data Repository
    The data warehouse that contains clinical data (HL7 messages) centrally.
    Clinical Document Architecture (CDA)
    A HL7 standard for the representation and machine processing of clinical documents in a way which makes the documents both human readable and machine processable, and guarantees preservation of the content by using the eXtensible Markup Language (XML) standard. It is a useful approach to management of documents which make up a large part of the clinical information processing arena.
    Clinical Messaging
    The communication among providers involved in the care process that can range from real time communication (for example, fulfillment of an injection while the patient is in the exam room), to asynchronous communication (for example, consult reports between physicians).
    Clinical User Authentication
    The process used by the HIE to determine the identity of the person accessing the system with adequate certainty to maintain security and confidentiality of personal health information and to administer with certainty of identity a regulated process such as e-prescribing and chart signing.
    CMS - Centers for Medicare and Medicaid Services
    CMS is the Federal agency within the United States Department of Health and Human Services that administers the Medicare program and works in partnership with state governments to administer Medicaid, the State Children's Health Insurance Program (SCHIP), and health insurance portability standards.
    Computerized Provider Order Entry (CPOE)
    A computer application that allows a physician's orders for diagnostic and treatment services (such as medications, laboratory, and other tests) to be entered electronically instead of being recorded on order sheets or prescription pads. The computer compares the order against standards for dosing, checks for allergies or interactions with other medications, and warns the physician about potential problems.
    Confidentiality
    Obligation of a person or agency that receives information about an individual, as part of providing a service to that individual, to protect that information from unauthorized persons or unauthorized uses. Confidentiality also includes respecting the privacy interest of the individuals who are associated with that information.
    Consent
    Consent is the permission granted by an authorized person that allows the provider, agency, or organization to release information about a person. The authorized person may be the subject of the information or they may be a designated representative such as a parent or guardian. Law, policy and procedures, and business agreements guide the use of consent.
    Continuity of Care Document (CCD)
    A summary of a patient's health information for each visit to a health care provider to be delivered through the health information exchange.
    Continuity of Care Record (CCR)
    A standard specification being developed jointly by ASTM International, the Massachusetts Medical Society (MMS), the Health Information Management and Systems Society (HIMSS), the American Academy of Family Physicians (AAFP), and the American Academy of Pediatrics. It is intended to foster and improve continuity of patient care, to reduce medical errors, and to assure at least a minimum standard of health information transportability when a patient is referred or transferred to, or is otherwise seen by, another provider.
    Covered Entity
    A health plan, a health care clearinghouse or a health care provider who transmits any health information in electronic form in connection with a transaction.
    CPOE - Computerized Provider Order Entry
    A computer application that allows a physician's orders for diagnostic and treatment services (such as medications, laboratory, and other tests) to be entered electronically instead of being recorded on order sheets or prescription pads. The computer compares the order against standards for dosing, checks for allergies or interactions with other medications, and warns the physician about potential problems.
  • Data Integrity
    The accuracy and completeness of data, to be maintained by appropriate security measures and controls. The preservation of the original quality and accuracy of data, in written or in electronic form.
    Data Recovery Services
    A mechanism and process to safely store duplicate databases and recreate the data should a disaster occur.
    Data Use Agreement
    An agreement between a health provider, agency, or organization and a designated receiver of information that allows for the use of limited health information for the purpose of research, public health, or health care operations. The agreement assures that the information will be used only for specific purposes.
    De-identified Health Information
    Name, address, and other personal information are removed when sharing health information so that it cannot be used to determine who a person is.
    Decision-Support System (DSS)
    Computer tools or applications to assist physicians in clinical decisions by providing evidence-based knowledge in the context of patient specific data. Examples include drug interaction alerts at the time medication is prescribed and reminders for specific guideline-based interventions during the care of patients with chronic disease. Information should be presented in a patient-centric view of individual care and also in a population, or aggregate view to support population management and quality improvement.
    Decryption
    The process used to "unscramble" information so that a "scrambled" or jumbled message becomes understandable.
    Demographics
    Information about name, address, age, gender, and role used to link patient records from multiple sources in the absence of a unique patient identifier.
    DICOM - Digital Imaging Communications in Medicine
    A standard, which defines protocols for the exchange of medical images and associated information (such as patient identification details and technique information) between instruments, information systems, and health care providers. It establishes a common language that enables medical images produced on one system to be processed and displayed on another.
    Digital Certificate
    Like a driver's license, it proves electronically that the person is who he or she says they are.
    Digital Signature
    Uniquely identifies one person electronically and is used like a written signature. For example, a doctor or nurse may use a digital signature at the end of an e-mail to a patient just as he or she would sign a letter.
    Direct
    An Office of the National Coordinator for Health IT (ONC) project that specifies a simple, secure scalable, standards-based transportation mechanism that enables participants to send (push) encrypted health information directly to known, trusted recipients over the Internet.
    Disclosure
    The release, transfer, provision of access to, or any other manner of divulging information outside the entity holding the information.
    DSS - Decision-Support System
    Computer tools or applications to assist physicians in clinical decisions by providing evidence-based knowledge in the context of patient specific data. Examples include drug interaction alerts at the time medication is prescribed and reminders for specific guideline-based interventions during the care of patients with chronic disease. Information should be presented in a patient-centric view of individual care and also in a population, or aggregate view to support population management and quality improvement.
    DURSA
    Data Use Reciprocal Support Agreement
  • ED
    Emergency Department
    EHR - Electronic Health Record
    As defined in the ARRA, an Electronic Health Record (EHR) means an electronic record of health-related information on an individual that includes patient demographic and clinical health information, such as medical histories and problem lists; and has the capacity to provide clinical decision support; to support physician order entry; to capture and query information relevant to healthcare quality; and to exchange electronic health information with, and integrate such information from other sources.
    EHR Reporting Period
    For the first Payment Year only, CMS proposes to define EHR Reporting Period to mean any continuous 90-day period within a Payment Year in which an Eligible Provider or Eligible Hospital successfully demonstrates meaningful use of certified EHR technology. Eligible Providers or Eligible Hospitals may choose to start their EHR reporting period on any date beginning with the first day of the Payment Year that allows for the 90-day period to be completed by the last day of the Payment Year. For the second Payment Year and all subsequent Payment Years, the EHR reporting period would be the entire Payment Year. See Payment Year.
    Electronic Billing (Claims, Eligibility, Remittance)
    The ability to contact the payer before the patient is seen and get a response that indicates whether or not the services to be rendered will be covered by the payer.
    Electronic Health Record (EHR)
    As defined in the ARRA, an Electronic Health Record (EHR) means an electronic record of health-related information on an individual that includes patient demographic and clinical health information, such as medical histories and problem lists; and has the capacity to provide clinical decision support; to support physician order entry; to capture and query information relevant to healthcare quality; and to exchange electronic health information with, and integrate such information from other sources.
    Electronic Imaging Results Delivery
    The ability to accept messages from radiology sources and integrate the data for presentation to a clinician.
    Electronic Medical Record (EMR)
    An electronic record of health-related information on an individual that can be created, gathered, managed, and consulted by authorized clinicians and staff within one health care organization.
    Electronic Personal Health Record (ePHR)
    A universally accessible, layperson comprehensible, lifelong tool for managing relevant health information, promoting health maintenance and assisting with chronic disease management via an interactive, common data set of electronic health information and e-health tools. The ePHR is owned, managed, and shared by the individual or his or her legal proxy(s) and must be secure to protect the privacy and confidentiality of the health information it contains. It is not a legal record unless so defined and is subject to various legal limitations.
    Electronic Prescribing (e-prescribing)
    A type of computer technology whereby physicians use handheld or personal computer devices to review drug and formulary coverage and to transmit prescriptions to a printer or to a local pharmacy. ePrescribing software can be integrated into existing clinical information systems to allow physician access to patient-specific information to screen for drug interactions and allergies.
    Electronic Signature
    A digital signature, which serves as a unique identifier for an individual.
    ELINCS
    EHR Lab Interoperability and Connectivity Standard
    EMR - Electronic Medical Record
    An electronic record of health-related information on an individual that can be created, gathered, managed, and consulted by authorized clinicians and staff within one health care organization.
    Encryption
    The translation of information to a code to keep it secret.
    ePHR - electronic Personal Health Record
    A universally accessible, layperson comprehensible, lifelong tool for managing relevant health information, promoting health maintenance and assisting with chronic disease management via an interactive, common data set of electronic health information and e-health tools. The ePHR is owned, managed, and shared by the individual or his or her legal proxy(s) and must be secure to protect the privacy and confidentiality of the health information it contains. It is not a legal record unless so defined and is subject to various legal limitations.
    Event
    Any observable occurrence in a network or system.
  • Federally-Qualified Health Centers (FQHCs)
    "Safety net" providers such as community health centers, public housing centers, outpatient health programs funded by the Indian Health Service, and programs serving migrants and the homeless. FQHCs provide their services to all persons regardless of ability to pay, and charge for services on a community board approved sliding-fee scale that is based on patients' family income and size. FQHCs are funded by the federal government under Section 330 of the Public Health Service Act.
    FQHCs - Federally-Qualified Health Centers
    "Safety net" providers such as community health centers, public housing centers, outpatient health programs funded by the Indian Health Service, and programs serving migrants and the homeless. FQHCs provide their services to all persons regardless of ability to pay, and charge for services on a community board approved sliding-fee scale that is based on patients' family income and size. FQHCs are funded by the federal government under Section 330 of the Public Health Service Act.
  • Health Information
    Any information, whether oral or recorded in any form or medium, that is created or received by a health care provider, health plan, public health authority, employer, life insurer, school or university, or health care clearinghouse; and relates to the past, present, or future physical or mental health or condition of an individual; the provision of health care to an individual; or the past, present, or future payment for the provision of health care to an individual.
    Health Information Exchange (HIE)
    As defined by the Office of the National Coordinator and the National Alliance for Health Information Technology (NAHIT), Health Information Exchange means the electronic movement of health-related information among organizations according to nationally recognized standards.
    Health Information for Economic and Clinical Health (HITECH) Act
    Collectively refers to the health information technology provisions included at Title XIII of Division A and Title IV of Division B of the ARRA.
    Health Information Organization
    An organization that oversees and governs the exchange of health-related information among organizations according to nationally recognized standards.
    Health Information Privacy
    An individual's right to control the acquiring, use or release of his or her personal health information.
    Health Information Security
    A set of policies or standards put in place to disallow a person's personal health information from being shared without the owner's permission.
    Health Information Technology (HIT)
    As defined in the ARRA, Health Information Technology means hardware, software, integrated technologies or related licenses, intellectual property, upgrades, or packaged solutions sold as services that are designed for or support the use by healthcare entities or patients for the electronic creation, maintenance, access, or exchange of health information.
    Health Information Technology Research Center (HITRC)
    As set out in the ARRA, the Health Information Technology Research Center will be created by the Office of the National Coordinator to provide technical assistance and develop or recognize best practices to support and accelerate efforts by healthcare providers to adopt, implement, and effectively utilize health information technology that allows for the electronic exchange of information.
    Health Insurance Portability and Accountability Act (HIPAA)
    Enacted by Congress in 1996. Title I of HIPAA protects health insurance coverage for workers and their families when they change or lose their jobs. Title II of HIPAA, known as the Administrative Simplification (AS) provisions, requires the establishment of national standards for electronic healthcare transactions and national identifiers for providers, health insurance plans, and employers. The Administration Simplification provisions also address the security and privacy of health data. The standards are meant to improve the efficiency and effectiveness of the nation's healthcare system by encouraging the widespread use of electronic data interchange in the U.S. healthcare system.
    Health Level Seven (HL7)
    An ANSI approved American National Standard for electronic data exchange in health care. It enables disparate computer applications to exchange key sets of clinical and administrative information.
    Health Maintenance Organization (HMO)
    A federally qualified HMO, an organization recognized as an HMO under State law, or a similar organization regulated for solvency under State law in the same manner and to the same extent as such an HMO.
    Health Oversight Agency
    An agency or authority of the United States, a State, a territory, a political subdivision of a State or territory, or an Indian tribe, or a person or entity acting under a grant of authority from or contract with such public agency, including the employees or agents of such public agency or its contractors or persons or entities to whom it has granted authority, that is authorized by law to oversee the health care system (whether public or private) or government programs in which health information is necessary to determine eligibility or compliance, or to enforce civil rights laws for which health information is relevant.
    Health Plan
    An individual or group plan that provides, or pays the cost of, medical care.
    Healthcare
    A provider of services, a provider of medical or health services and any other person or organization who furnishes, bills, or is paid for health care in the normal course of business.
    Healthcare Information Technology Standards Panel (HITSP)
    A multi-stakeholder coordinating body designed to provide the process within which stakeholders identify, select, and harmonize standards for communicating and encouraging broad deployment and exchange of healthcare information throughout the healthcare spectrum. The Panel's processes are business process and use-case driven, with decision making based on the needs of all NHIN stakeholders. The Panel's activities are led by the American National Standards Institute (ANSI), a not-for-profit organization that has been coordinating the U.S. voluntary standardization system since 1918.
    HHS - U.S. Department of Health and Human Services
    The federal government agency responsible for protecting the health of all Americans and providing essential human services. HHS, through CMS, administers the Medicare (health insurance for elderly and disabled Americans) and Medicaid (health insurance for low-income people) programs, among others.
    HIE - Health Information Exchange
    As defined by the Office of the National Coordinator and the National Alliance for Health Information Technology (NAHIT), Health Information Exchange means the electronic movement of health-related information among organizations according to nationally recognized standards.
    HIPAA
    - Health Insurance and Portability and Accountability Act
    Enacted by Congress in 1996, Title I of HIPAA protects health insurance coverage for workers and their families when they change or lose their jobs. Title II of HIPAA, known as the Administrative Simplification (AS) provisions, requires the establishment of national standards for electronic healthcare transactions and national identifiers for providers, health insurance plans, and employers. The Administration Simplification provisions also address the security and privacy of health data. The standards are meant to improve the efficiency and effectiveness of the nation's healthcare system by encouraging the widespread use of electronic data interchange in the U.S. healthcare system.
    HIT - Health Information Technology
    As defined in the ARRA, Health Information Technology means hardware, software, integrated technologies or related licenses, intellectual property, upgrades, or packaged solutions sold as services that are designed for or support the use by healthcare entities or patients for the electronic creation, maintenance, access, or exchange of health information.
    HITECH - Health Information for Economic and Clinical Health Act
    Collectively refers to the health information technology provisions included at Title XIII of Division A and Title IV of Division B of the ARRA.
    HITRC - Health Information Technology Research Center
    As set out in the ARRA, the Health Information Technology Research Center will be created by the Office of the National Coordinator to provide technical assistance and develop or recognize best practices to support and accelerate efforts by healthcare providers to adopt, implement, and effectively utilize health information technology that allows for the electronic exchange of information.
    HITSP - Health Information Technology Standards Panel
    A multi-stakeholder coordinating body designed to provide the process within which stakeholders identify, select, and harmonize standards for communicating and encouraging broad deployment and exchange of healthcare information throughout the healthcare spectrum. The Panel's processes are business process and use-case driven, with decision making based on the needs of all NHIN stakeholders. The Panel's activities are led by the American National Standards Institute (ANSI), a not-for-profit organization that has been coordinating the U.S. voluntary standardization system since 1918.
    HL7 - Health Level Seven
    An ANSI approved American National Standard for electronic data exchange in health care. It enables disparate computer applications to exchange key sets of clinical and administrative information.
    HMO - Health Maintenance Organization
    A federally qualified HMO, an organization recognized as an HMO under State law, or a similar organization regulated for solvency under State law in the same manner and to the same extent as such an HMO.
  • Identity
    A characteristic or set of characteristics that recognizes an individual as unique from another.
    IDN - Integrated Delivery Network
    An organization that combines hospital, physician and other medical services as part of a larger health care system.
    IIHI - Individually Identifiable Health Information
    Information that is a subset of health information, including demographic information collected from an individual, and is created or received by a health care provider, health plan, employer, or health care clearinghouse; and relates to the past, present, or future physical or mental health or condition of an individual; the provision of health care to an individual; or the past, present, or future payment for the provision of health care to an individual; and that identifies the individual; or with respect to which there is a reasonable basis to believe the information can be used to identify the individual.
    Implementation Services
    Consulting services offered by the vendor. These services will provide planning and actual implementation of an EHR system. It is important when comparing quoted implementation costs that physicians understand which detailed cost line items a particular vendor will be supplying.
    Inappropriate Usage
    Using personal information without that person's permission.
    Incident Response Plan
    The instructions or procedures that an organization can use to detect, respond to, and limit the effect of computer system attacks.
    Individual
    The person who is the subject of protected health information.
    Individually Identifiable Health Information (IIHI)
    Information that is a subset of health information, including demographic information collected from an individual, and is created or received by a health care provider, health plan, employer, or health care clearinghouse; and relates to the past, present, or future physical or mental health or condition of an individual; the provision of health care to an individual; or the past, present, or future payment for the provision of health care to an individual; and that identifies the individual; or with respect to which there is a reasonable basis to believe the information can be used to identify the individual.
    Information System
    An interconnected set of information resources under the same direct management control that shares common functionality. A system normally includes hardware, software, information, data, applications, communications, and people.
    Informed Consent
    Information exchange between a clinical investigator and research subjects. This exchange may include question/answer sessions, verbal instructions, measures of understanding, and reading and signing informed consent documents and recruitment materials.
    Integrated Delivery Network (IDN)
    An organization that combines hospital, physician and other medical services as part of a larger health care system.
    Integrity
    Data or information that has not been changed or destroyed in an unauthorized way.
    Interface
    A means of interaction between two devices or systems that handle data.
    (The) International Organization for Standardization (ISO)
    It is a worldwide federation of national standards bodies from some 130 countries, one from each country. ISO's work results in international agreements, which are published as International Standards.
    Interoperability
    Interoperability means the ability of health information systems to work together within and across organizational boundaries in order to advance the effective delivery of healthcare for individuals and communities.
    ISO - The International Organization for Standardization
    It is a worldwide federation of national standards bodies from some 130 countries, one from each country. ISO's work results in international agreements, which are published as International Standards.
  • Key Certificate
    A data record that authenticates the owner of a public key for an asymmetric algorithm. It is issued by a certification authority and is protected by a digital signature allowing the certificate to be verified widely. The certificate may also contain other fields beside the value to the key and the name of the owner, for example an expiration date.
    Keys
    A sequence of symbols that controls the operations of encryption and decryption.
  • Limited Data Set
    Health information that does not contain identifiers. It is protected but may be used for certain purposes without the owner's consent.
    Log In, Logging Into
    The action a person must take to confirm his or her identity before being allowed to use a computer system.
    Logical Observation Identifiers, Names, and Codes (LOINC)
    The LOINC databases provide sets of universal names and ID codes for identifying laboratory and clinical test results. The purpose is to facilitate the exchange and pooling of results, such as blood hemoglobin, serum potassium, or vital signs, for clinical care, outcomes management, and research.
    LOINC - Logical Observation Identifiers, Names, and Codes
    The LOINC databases provide sets of universal names and ID codes for identifying laboratory and clinical test results. The purpose is to facilitate the exchange and pooling of results, such as blood hemoglobin, serum potassium, or vital signs, for clinical care, outcomes management, and research.
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