When modeling a concept requiring two role groups with the same body structure but two different morphologies (because a combined morphology does not exist), then those morphologic abnormalities can be combined to create a single morphologic abnormality concept. Keep the newly-created morphologic abnormality concept primitive, as all morphologic abnormality concepts are primitive.
| For example, | |||
|---|---|---|---|
| Disorder concept | Associated morphology | Associated morphology | Combined Associated morphology |
Calcified hematoma of head (disorder) | Pathologic calcification, calcified structure (morphologic abnormality) | Hematoma (morphologic abnormality) | Calcified hematoma (morphologic abnormality) |
Another example is 1076491000119102 |Nontraumatic complete rupture of muscle or tendon structure of rotator cuff of left shoulder (disorder)|.
If this disorder had the same finding site of |Structure of rotator cuff of left shoulder (body structure)| with two different morphologic abnormalities of |Nontraumatic rupture| and |Complete rupture|, then those two morphologic abnormality concepts can be combined to create a single, primitive, morphologic abnormality concept of |Nontraumatic complete rupture (morphologic abnormality)|. This will prevent modeling with two relationship groups.
Instead of modeling as in this stated view:
Model as shown in this stated view:
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