The part of a SNOMED CT expression that applies qualifying details to a focus concept. A spiral fracture of the shaft of humerus can be represented by an expression in which the concept fracture of humerus is made more specific by the addition of a refinements containing attributes that more precisely indicate the location and morphology.
This is an abbreviation for expression refinement.
expression refinement
Example
66308002 |fracture of humerus|
: ⬅︎ Focus concept
{
363698007 |finding site|
=
20760004 |shaft of humerus|
, ⬅︎ Refinement
116676008 |associated morphology|
=
73737008 |Fracture, spiral|
} ⬅︎ ...
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