ICD-10-CM · Chapter 15 · O00-O9A
O43 Placental disorders
Excludes 2 (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.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O43..0 | Placental transfusion syndromes | No |
| O43..01 | Fetomaternal placental transfusion syndrome | No |
| O43..011 | Fetomaternal placental transfusion syndrome, first trimester | Yes |
| O43..012 | Fetomaternal placental transfusion syndrome, second trimester | Yes |
| O43..013 | Fetomaternal placental transfusion syndrome, third trimester | Yes |
| O43..019 | Fetomaternal placental transfusion syndrome, unspecified trimester | Yes |
| O43..02 | Fetus-to-fetus placental transfusion syndrome | No |
| O43..021 | Fetus-to-fetus placental transfusion syndrome, first trimester | Yes |
| O43..022 | Fetus-to-fetus placental transfusion syndrome, second trimester | Yes |
| O43..023 | Fetus-to-fetus placental transfusion syndrome, third trimester | Yes |
| O43..029 | Fetus-to-fetus placental transfusion syndrome, unspecified trimester | Yes |
| O43..1 | Malformation of placenta | No |
| O43..10 | Malformation of placenta, unspecified | No |
| O43..101 | Malformation of placenta, unspecified, first trimester | Yes |
| O43..102 | Malformation of placenta, unspecified, second trimester | Yes |
| O43..103 | Malformation of placenta, unspecified, third trimester | Yes |
| O43..109 | Malformation of placenta, unspecified, unspecified trimester | Yes |
| O43..11 | Circumvallate placenta | No |
| O43..111 | Circumvallate placenta, first trimester | Yes |
| O43..112 | Circumvallate placenta, second trimester | Yes |
| O43..113 | Circumvallate placenta, third trimester | Yes |
| O43..119 | Circumvallate placenta, unspecified trimester | Yes |
| O43..12 | Velamentous insertion of umbilical cord | No |
| O43..121 | Velamentous insertion of umbilical cord, first trimester | Yes |
| O43..122 | Velamentous insertion of umbilical cord, second trimester | Yes |
| O43..123 | Velamentous insertion of umbilical cord, third trimester | Yes |
| O43..129 | Velamentous insertion of umbilical cord, unspecified trimester | Yes |
| O43..19 | Other malformation of placenta | No |
| O43..191 | Other malformation of placenta, first trimester | Yes |
| O43..192 | Other malformation of placenta, second trimester | Yes |
| O43..193 | Other malformation of placenta, third trimester | Yes |
| O43..199 | Other malformation of placenta, unspecified trimester | Yes |
| O43..2 | Morbidly adherent placenta | No |
| O43..21 | Placenta accreta | No |
| O43..211 | Placenta accreta, first trimester | Yes |
| O43..212 | Placenta accreta, second trimester | Yes |
| O43..213 | Placenta accreta, third trimester | Yes |
| O43..219 | Placenta accreta, unspecified trimester | Yes |
| O43..22 | Placenta increta | No |
| O43..221 | Placenta increta, first trimester | Yes |
| O43..222 | Placenta increta, second trimester | Yes |
| O43..223 | Placenta increta, third trimester | Yes |
| O43..229 | Placenta increta, unspecified trimester | Yes |
| O43..23 | Placenta percreta | No |
| O43..231 | Placenta percreta, first trimester | Yes |
| O43..232 | Placenta percreta, second trimester | Yes |
| O43..233 | Placenta percreta, third trimester | Yes |
| O43..239 | Placenta percreta, unspecified trimester | Yes |
| O43..8 | Other placental disorders | No |
| O43..81 | Placental infarction | No |
| O43..811 | Placental infarction, first trimester | Yes |
| O43..812 | Placental infarction, second trimester | Yes |
| O43..813 | Placental infarction, third trimester | Yes |
| O43..819 | Placental infarction, unspecified trimester | Yes |
| O43..89 | Other placental disorders | No |
| O43..891 | Other placental disorders, first trimester | Yes |
| O43..892 | Other placental disorders, second trimester | Yes |
| O43..893 | Other placental disorders, third trimester | Yes |
| O43..899 | Other placental disorders, unspecified trimester | Yes |
| O43..9 | Unspecified placental disorder | No |
| O43..90 | Unspecified placental disorder, unspecified trimester | Yes |
| O43..91 | Unspecified placental disorder, first trimester | Yes |
| O43..92 | Unspecified placental disorder, second trimester | Yes |
| O43..93 | Unspecified placental disorder, third trimester | Yes |
Last reviewed: September 2026