Convert to ICD-10-CM: 
362.20 converts approximately to:
- 2015/16 ICD-10-CM H35.109 Retinopathy of prematurity, unspecified, unspecified eye
 ICD-9-CM Volume 2 Index entries containing back-references to 
362.20:
- Retinopathy (background) 362.10  of prematurity 362.20 of prematurity 362.20