Overview
Creation of substance concepts that contain terms such as “free” (or "unbound" or "unconjugated") is limited to the measurement of biological substances (Observable entities, evaluation procedures, LOINC collaboration project) or to report their level (clinical findings). These concepts are created as siblings of the base concepts with a "substance X and X derivatives" or "X and X compound" as common supertype.
Modeling (stated view)
| Parent concept | Most distal appropriate descendant of 105590001 |Substance (substance)| |
|---|---|
| Semantic tag | (substance) |
| Definition status | 900000000000074008 |Necessary but not sufficient concept definition status (core metadata concept)| |
Attribute | 726542003 |Has disposition (attribute)| |
Naming Guidelines
FSN | Pattern: Free X (substance) For example,
|
|---|---|
Preferred Term | Pattern: Free X For example,
|
Synonyms | Optional pattern: Unbound x For example,
|
Exemplar
The following illustrates both the stated and inferred view:
The following illustrates the hierarchy view:
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