Convert to ICD-10-CM: 
621.32 converts approximately to:
- 2015/16 ICD-10-CM N85.01 Benign endometrial hyperplasia
 ICD-9-CM Volume 2 Index entries containing back-references to 
621.32:
- Hyperplasia, hyperplastic endometrium, endometrial (adenomatous) (atypical) (cystic) (glandular) (polypoid) (uterus) 621.30 endometrium, endometrial (adenomatous) (atypical) (cystic) (glandular) (polypoid) (uterus) 621.30