Convert to ICD-10-CM: 
366.17 converts approximately to:
- 2015/16 ICD-10-CM H25.89 Other age-related cataract
 ICD-9-CM Volume 2 Index entries containing back-references to 
366.17:
- Cataract (anterior cortical) (anterior polar) (black) (capsular) (central) (cortical) (hypermature) (immature) (incipient) (mature)  366.9  subtotal (senile) 366.17 subtotal (senile) 366.17
  total (mature) (senile) 366.17 total (mature) (senile) 366.17