Definition
A code set representing whether an individual has become legally blind in either one or both eyes during the previous 12 months.
Representation
| Data Type | Number |
|---|---|
| Format | N |
| Maximum character length | 1 |
Values
| Value | Meaning | Start Date | End Date | |
|---|---|---|---|---|
| Permissible Values | 1 | Blindness - (< 6/60) occurred in either or both eyes in the last 12 months | ||
| 2 | Blindness - (< 6/60) occurred in either or both eyes prior to the last 12 months | |||
| 3 | Blindness - (< 6/60) occurred in one eye within 12 months and in the other eye prior to the last 12 months | |||
| 4 | No blindness | |||
| Supplementary Values | 9 | Not stated/inadequately described |
Comments
Guide for use:
CODE 3 Blindness - (< 6/60) occurred in one eye within 12 months and in the other eye prior to the last 12 months
Blindness can be diagnosed in one eye within 12 months even though it has been previously diagnosed on the other eye.
References
Related content
| Relation | Count |
|---|---|
| Data Elements implementing this Value Domain | 1 |