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
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  • O87.0|

    Superficial thrombophlebitis in the puerperium

  • O87.1|

    Deep phlebothrombosis in the puerperium

  • O87.2|

    Hemorrhoids in the puerperium

  • O87.3|

    Cerebral venous thrombosis in the puerperium

  • O87.4|

    Varicose veins of lower extremity in the puerperium

  • O87.8|

    Other venous complications in the puerperium

  • O87.9|

    Venous complication in the puerperium, unspecified

  • O88|

    Obstetric embolism

  • O88.0|

    Obstetric air embolism

  • O88.01|

    Obstetric air embolism in pregnancy

  • O88.011|

    Air embolism in pregnancy, first trimester

  • O88.012|

    Air embolism in pregnancy, second trimester

  • O88.013|

    Air embolism in pregnancy, third trimester

  • O88.019|

    Air embolism in pregnancy, unspecified trimester

  • O88.02|

    Air embolism in childbirth

  • O88.03|

    Air embolism in the puerperium

  • O88.1|

    Amniotic fluid embolism

  • O88.11|

    Amniotic fluid embolism in pregnancy

  • O88.111|

    Amniotic fluid embolism in pregnancy, first trimester

  • O88.112|

    Amniotic fluid embolism in pregnancy, second trimester

  • O88.113|

    Amniotic fluid embolism in pregnancy, third trimester

  • O88.119|

    Amniotic fluid embolism in pregnancy, unspecified trimester

  • O88.12|

    Amniotic fluid embolism in childbirth

  • O88.13|

    Amniotic fluid embolism in the puerperium

  • O88.2|

    Obstetric thromboembolism

  • O88.21|

    Thromboembolism in pregnancy

  • O88.211|

    Thromboembolism in pregnancy, first trimester

  • O88.212|

    Thromboembolism in pregnancy, second trimester

  • O88.213|

    Thromboembolism in pregnancy, third trimester

  • O88.219|

    Thromboembolism in pregnancy, unspecified trimester

  • O88.22|

    Thromboembolism in childbirth

  • O88.23|

    Thromboembolism in the puerperium

  • O88.3|

    Obstetric pyemic and septic embolism

  • O88.31|

    Pyemic and septic embolism in pregnancy

  • O88.311|

    Pyemic and septic embolism in pregnancy, first trimester

  • O88.312|

    Pyemic and septic embolism in pregnancy, second trimester

  • O88.313|

    Pyemic and septic embolism in pregnancy, third trimester

  • O88.319|

    Pyemic and septic embolism in pregnancy, unspecified trimester

  • O88.32|

    Pyemic and septic embolism in childbirth

  • O88.33|

    Pyemic and septic embolism in the puerperium

  • O88.8|

    Other obstetric embolism

  • O88.81|

    Other embolism in pregnancy

  • O88.811|

    Other embolism in pregnancy, first trimester

  • O88.812|

    Other embolism in pregnancy, second trimester

  • O88.813|

    Other embolism in pregnancy, third trimester

  • O88.819|

    Other embolism in pregnancy, unspecified trimester

  • O88.82|

    Other embolism in childbirth

  • O88.83|

    Other embolism in the puerperium

  • O89|

    Complications of anesthesia during the puerperium

  • O89.0|

    Pulmonary complications of anesthesia during the puerperium

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