Convert to ICD-10-CM: 
363.61 converts approximately to:
- 2015/16 ICD-10-CM H31.309 Unspecified choroidal hemorrhage, unspecified eye
 ICD-9-CM Volume 2 Index entries containing back-references to 
363.61:
- Hemorrhage, hemorrhagic (nontraumatic) 459.0  choroid 363.61 choroid 363.61