Inactivation Reason | Association Type | Description |
---|---|---|
Meaning unknown | No association required | The inactivation reason “Meaning Unknown” explicitly states that the meaning of the inactivated concept (A) cannot, in the judgment of the author/editor be determined and therefore no historical association should be provided. |
Guidance | ||
|
Example
Inherited ICD-9 concept
Inactivate concept:
- 194964003 | Milk spots of pericardium (disorder)|
Dropdown list (Where no replacement is appropriate)
No suitable replacement concept identified- Annotation:
This concept has been inherited from ICD-9 via Read Codes. Some sources recognize it as a normal morphology, others as an abnormal morphology. So, as a disease entity, nobody seems to know what it means or what the case definition is.
Resolving sequences of Historical Associations
No historical association is provided.