Convert to ICD-10-CM: 
378.12 converts approximately to:
- 2015/16 ICD-10-CM H50.121 Monocular exotropia with A pattern, right eyeOr: 
- 2015/16 ICD-10-CM H50.122 Monocular exotropia with A pattern, left eye
 ICD-9-CM Volume 2 Index entries containing back-references to 
378.12: