Convert to ICD-10-CM: 
366.19 converts approximately to:
- 2015/16 ICD-10-CM H25.819 Combined forms of age-related cataract, unspecified eyeOr: 
- 2015/16 ICD-10-CM H25.89 Other age-related cataract
 ICD-9-CM Coding Information
- 366.19 is only applicable to adult patients aged 15 - 124 years inclusive.
ICD-9-CM Volume 2 Index entries containing back-references to 
366.19:
- Cataract (anterior cortical) (anterior polar) (black) (capsular) (central) (cortical) (hypermature) (immature) (incipient) (mature)  366.9