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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