Maternal care for Anti-A sensitization, first trimester
O36.51 Maternal care for known or suspected placental insufficiency
Maternal care for known or suspected placental insufficiency
O36.70 Maternal care for viable fetus in abdominal pregnancy, unspecified trimester
Maternal care for viable fetus in abdominal pregnancy, unspecified trimester
O36.831 Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
O41.121 Chorioamnionitis, first trimester
Chorioamnionitis, first trimester
O41.90 Disorder of amniotic fluid and membranes, unspecified, unspecified trimester
Disorder of amniotic fluid and membranes, unspecified, unspecified trimester
O42.111 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester
Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester