All ICD10 Codes
Chapter 15

O00–O9A: Pregnancy, Childbirth and the Puerperium

Pregnancy, Childbirth and the Puerperium diagnostic classification updated for 2026.

Chapter Instructions

Excludes1(Not coded here. Use a different code.)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here. Code separately if applicable.)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
All CodesBillable Only
Internal Codes
PrevNext
  • O43.109—

    Malformation of placenta, unspecified, unspecified trimester

  • O43.111—

    Circumvallate placenta, first trimester

  • O43.112—

    Circumvallate placenta, second trimester

  • O43.113—

    Circumvallate placenta, third trimester

  • O43.119—

    Circumvallate placenta, unspecified trimester

  • O43.121—

    Velamentous insertion of umbilical cord, first trimester

  • O43.122—

    Velamentous insertion of umbilical cord, second trimester

  • O43.123—

    Velamentous insertion of umbilical cord, third trimester

  • O43.129—

    Velamentous insertion of umbilical cord, unspecified trimester

  • O43.191—

    Other malformation of placenta, first trimester

  • O43.192—

    Other malformation of placenta, second trimester

  • O43.193—

    Other malformation of placenta, third trimester

  • O43.199—

    Other malformation of placenta, unspecified trimester

  • O43.211—

    Placenta accreta, first trimester

  • O43.212—

    Placenta accreta, second trimester

  • O43.213—

    Placenta accreta, third trimester

  • O43.219—

    Placenta accreta, unspecified trimester

  • O43.221—

    Placenta increta, first trimester

  • O43.222—

    Placenta increta, second trimester

  • O43.223—

    Placenta increta, third trimester

  • O43.229—

    Placenta increta, unspecified trimester

  • O43.231—

    Placenta percreta, first trimester

  • O43.232—

    Placenta percreta, second trimester

  • O43.233—

    Placenta percreta, third trimester

  • O43.239—

    Placenta percreta, unspecified trimester

  • O43.811—

    Placental infarction, first trimester

  • O43.812—

    Placental infarction, second trimester

  • O43.813—

    Placental infarction, third trimester

  • O43.819—

    Placental infarction, unspecified trimester

  • O43.891—

    Other placental disorders, first trimester

  • O43.892—

    Other placental disorders, second trimester

  • O43.893—

    Other placental disorders, third trimester

  • O43.899—

    Other placental disorders, unspecified trimester

  • O43.90—

    Unspecified placental disorder, unspecified trimester

  • O43.91—

    Unspecified placental disorder, first trimester

  • O43.92—

    Unspecified placental disorder, second trimester

  • O43.93—

    Unspecified placental disorder, third trimester

  • O44.00—

    Complete placenta previa NOS or without hemorrhage, unspecified trimester

  • O44.01—

    Complete placenta previa NOS or without hemorrhage, first trimester

  • O44.02—

    Complete placenta previa NOS or without hemorrhage, second trimester

  • O44.03—

    Complete placenta previa NOS or without hemorrhage, third trimester

  • O44.10—

    Complete placenta previa with hemorrhage, unspecified trimester

  • O44.11—

    Complete placenta previa with hemorrhage, first trimester

  • O44.12—

    Complete placenta previa with hemorrhage, second trimester

  • O44.13—

    Complete placenta previa with hemorrhage, third trimester

  • O44.20—

    Partial placenta previa NOS or without hemorrhage, unspecified trimester

  • O44.21—

    Partial placenta previa NOS or without hemorrhage, first trimester

  • O44.22—

    Partial placenta previa NOS or without hemorrhage, second trimester

  • O44.23—

    Partial placenta previa NOS or without hemorrhage, third trimester

  • O44.30—

    Partial placenta previa with hemorrhage, unspecified trimester

PreviousPage 39 of 53Next