Difficult terms: Health condition: PT_definition : NCI/PT | A state of being, such as a state of health. ALT_definition : HL7V3.0/PT | An observable finding or state that persists over time and tends to require intervention or management, and, therefore, distinguished from an Observation made at a point in time; may exist before an Observation of the Condition is made or after interventions to manage the Condition are undertaken. Examples: equipment repair status, device recall status, a health risk, a financial risk, public health risk, pregnancy, health maintenance, chronic illness Action: have sent email to BFO, OBO-discussion and OGMS to ask ideas. The draft definition: Health status: the observable clinical finding about a person’s health state. Health state: Totality of all bodily components, their spacial relations, their qualities, their dispositions, and/or bodily processes of an organism at a defined point in time, which reflects the functionality of the organism’s physical, mental and social capacities at that point of time. State: Totality of all components, their spacial relations, their qualities, their dispositions, and/or processes of an continuant at a defined point in time Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. The correct bibliographic citation for the definition is: Preamble to the Constitution of the World Health Organization as adopted by the International Health Conference, New York, 19-22 June, 1946; signed on 22 July 1946 by the representatives of 61 States (Official Records of the World Health Organization, no. 2, p. 100) and entered into force on 7 April 1948. The Definition has not been amended since 1948. http://www.who.int/about/definition/en/print.html Study has status too: Suspended Terminated Study Subject Participation Status Voluntary, permission is difficult to model. Data security.