Description: Pseudo dates used to rebadge erroneous and/or sensitive information.
This is a flat (unstructured) list which uses dates to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
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| Coding | Meaning |
|---|---|
| 1900-01-01 | Code has no event date |
| 1901-01-01 | Code has event date before participant's date of birth |
| 1902-02-02 | Code has event date matching participant's date of birth |
| 1903-03-03 | Code has event date after participant's date of birth and falls in the same calendar year as date of birth |
| 1909-09-09 | Code has event date in the future and is presumed to be a place-holder or other system default |
| 2037-07-07 | Code has event date in the future and is presumed to be a place-holder or other system default |
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