O34 - Maternal care for abnormality of pelvic organs
O34.4 - Maternal care for other abnormalities of cervix
O34.40 - Maternal care for other abnormalities of cervix, unspecified trimester
O34.41 - Maternal care for other abnormalities of cervix, first trimester
O34.42 - Maternal care for other abnormalities of cervix, second trimester
O34.43 - Maternal care for other abnormalities of cervix, third trimester