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The concept's class provides a useful way to narrow down the scope of the information that the concept is intended to capture. In this way, the class is helpful for data extraction. This classification details how a concept will be represented (i.e. as a question or an answer) when the information is stored. OpenMRS contains several default classes to use when defining concepts, but implementation sites may also create additional custom concept classes for use.
lab tests (e.g. CD4 Count) or physical exam maneuver (e.g. Babinski)
spinal tap, lumbar puncture, etc.
medications, prescriptions and over the counter
defined medical conclusion (ie. diabetes, AIDS)
physical or exam findings (ie. shortness of breath, systolic murmur, LLL infiltrate)
body part (ie. right arm, frontal lobe, abdomen)
query to which there are either open-ended or coded responses
a group of several test concepts (ie. I-Stat Chem8+)
a group of several medications (ie. cardiac drugs)
a group of concepts, typically questions, assembled for convenience (ie. vital signs)
This is normally used as a coded answer. Sometimes it would be a general descriptions of location or rankings (ie. left, severe, positive, unknown)
any sign or indication of a possible conclusion (ie. chills, fever, increased heart rate)
any sign or indication, not specifically linked to one conclusion
a sample of any larger part (ie. tissue, blood sample)
orders typically not utilized by the organization
The following 3 classes are used by Partners In Health and possibly other organizations. This functionality will be fixed with future OpenMRS releases (OpenMRS 1.9+).
a specific plan, or set of plans, that a patient may be enrolled (ie. HIV program, Food assistance program)
a process, as described by the organization (ie. group, treatment status)
a unique status for a workflow (ie. Group R which meets on Tuesday at 10am, On ARVS)