Convert to ICD-10-CM: 
374.56 converts approximately to:
- 2015/16 ICD-10-CM H02.79 Other degenerative disorders of eyelid and periocular area
 ICD-9-CM Volume 2 Index entries containing back-references to 
374.56:
- Concretion - see also Calculus eyelid 374.56 eyelid 374.56