ICD-10-CM > O00-O9A > O30-O48 > O34 > O34.1 O34.1 Maternal care for benign tumor of corpus uteri Non-Billable/Non-Specific Type 2 Excludes maternal care for benign tumor of cervix (O34.4-)maternal care for malignant neoplasm of uterus (O9A.1-) Codes O34.10Maternal care for benign tumor of corpus uteri, unspecified trimesterO34.11Maternal care for benign tumor of corpus uteri, first trimesterO34.12Maternal care for benign tumor of corpus uteri, second trimesterO34.13Maternal care for benign tumor of corpus uteri, third trimester