The maximum zone (area of the eye) affected by Retinopathy of Prematurity as determined during Retinopathy of Prematurity Screening.
National Codes:
| 0 | Zone 0 (No Retinopathy of Prematurity) |
| 1 | Zone 1 |
| 2 | Zone 2 |
| 3 | Zone 3 |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | RETINOPATHY OF PREMATURITY MAXIMUM ZONES |
