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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  • O75.5—

    Delayed delivery after artificial rupture of membranes

  • O75.81—

    Maternal exhaustion complicating labor and delivery

  • O75.82—

    Onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean section

  • O75.89—

    Other specified complications of labor and delivery

  • O75.9—

    Complication of labor and delivery, unspecified

  • O76—

    Abnormality in fetal heart rate and rhythm complicating labor and delivery

  • O77.0—

    Labor and delivery complicated by meconium in amniotic fluid

  • O77.1—

    Fetal stress in labor or delivery due to drug administration

  • O77.8—

    Labor and delivery complicated by other evidence of fetal stress

  • O77.9—

    Labor and delivery complicated by fetal stress, unspecified

  • O80—

    Encounter for full-term uncomplicated delivery

  • O82—

    Encounter for cesarean delivery without indication

  • O85—

    Puerperal sepsis

  • O86.00—

    Infection of obstetric surgical wound, unspecified

  • O86.01—

    Infection of obstetric surgical wound, superficial incisional site

  • O86.02—

    Infection of obstetric surgical wound, deep incisional site

  • O86.03—

    Infection of obstetric surgical wound, organ and space site

  • O86.04—

    Sepsis following an obstetrical procedure

  • O86.09—

    Infection of obstetric surgical wound, other surgical site

  • O86.11—

    Cervicitis following delivery

  • O86.12—

    Endometritis following delivery

  • O86.13—

    Vaginitis following delivery

  • O86.19—

    Other infection of genital tract following delivery

  • O86.20—

    Urinary tract infection following delivery, unspecified

  • O86.21—

    Infection of kidney following delivery

  • O86.22—

    Infection of bladder following delivery

  • O86.29—

    Other urinary tract infection following delivery

  • O86.4—

    Pyrexia of unknown origin following delivery

  • O86.81—

    Puerperal septic thrombophlebitis

  • O86.89—

    Other specified puerperal infections

  • 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

  • O88.011—

    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

  • O88.111—

    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

  • O88.211—

    Thromboembolism in pregnancy, first trimester

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