O43.1 Malformation of placenta

Non-billable header with 4 child codes.

Applies from O43 Placental disorders

Excludes2 (not included here)

• maternal care for poor fetal growth due to placental insufficiency (O36.5-)
• placenta previa (O44.-)
• placental polyp (O90.89)
• placentitis (O41.14-)
• premature separation of placenta [abruptio placentae] (O45.-)

Codes under O43.1

• O43.10 Malformation of placenta, unspecified
• O43.11 Circumvallate placenta
• O43.12 Velamentous insertion of umbilical cord
• O43.19 Other malformation of placenta

Nearby codes

• O43.02 Fetus-to-fetus placental transfusion syndrome
• O43.021 Fetus-to-fetus placental transfusion syndrome, first trimester
• O43.022 Fetus-to-fetus placental transfusion syndrome, second trimester
• O43.023 Fetus-to-fetus placental transfusion syndrome, third trimester
• O43.029 Fetus-to-fetus placental transfusion syndrome, unspecified trimester
• O43.1 Malformation of placenta (this code)
• O43.10 Malformation of placenta, unspecified
• O43.101 Malformation of placenta, unspecified, first trimester
• O43.102 Malformation of placenta, unspecified, second trimester
• O43.103 Malformation of placenta, unspecified, third trimester
• O43.109 Malformation of placenta, unspecified, unspecified trimester