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)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here)
  • 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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  • O03.36—

    Cardiac arrest following incomplete spontaneous abortion

  • O03.37—

    Sepsis following incomplete spontaneous abortion

  • O03.38—

    Urinary tract infection following incomplete spontaneous abortion

  • O03.39—

    Incomplete spontaneous abortion with other complications

  • O03.4—

    Incomplete spontaneous abortion without complication

  • O03.5—

    Genital tract and pelvic infection following complete or unspecified spontaneous abortion

  • O03.6—

    Delayed or excessive hemorrhage following complete or unspecified spontaneous abortion

  • O03.7—

    Embolism following complete or unspecified spontaneous abortion

  • O03.8—

    Other and unspecified complications following complete or unspecified spontaneous abortion

  • O03.80—

    Unspecified complication following complete or unspecified spontaneous abortion

  • O03.81—

    Shock following complete or unspecified spontaneous abortion

  • O03.82—

    Renal failure following complete or unspecified spontaneous abortion

  • O03.83—

    Metabolic disorder following complete or unspecified spontaneous abortion

  • O03.84—

    Damage to pelvic organs following complete or unspecified spontaneous abortion

  • O03.85—

    Other venous complications following complete or unspecified spontaneous abortion

  • O03.86—

    Cardiac arrest following complete or unspecified spontaneous abortion

  • O03.87—

    Sepsis following complete or unspecified spontaneous abortion

  • O03.88—

    Urinary tract infection following complete or unspecified spontaneous abortion

  • O03.89—

    Complete or unspecified spontaneous abortion with other complications

  • O03.9—

    Complete or unspecified spontaneous abortion without complication

  • O04—

    Complications following (induced) termination of pregnancy

  • O04.5—

    Genital tract and pelvic infection following (induced) termination of pregnancy

  • O04.6—

    Delayed or excessive hemorrhage following (induced) termination of pregnancy

  • O04.7—

    Embolism following (induced) termination of pregnancy

  • O04.8—

    (Induced) termination of pregnancy with other and unspecified complications

  • O04.80—

    (Induced) termination of pregnancy with unspecified complications

  • O04.81—

    Shock following (induced) termination of pregnancy

  • O04.82—

    Renal failure following (induced) termination of pregnancy

  • O04.83—

    Metabolic disorder following (induced) termination of pregnancy

  • O04.84—

    Damage to pelvic organs following (induced) termination of pregnancy

  • O04.85—

    Other venous complications following (induced) termination of pregnancy

  • O04.86—

    Cardiac arrest following (induced) termination of pregnancy

  • O04.87—

    Sepsis following (induced) termination of pregnancy

  • O04.88—

    Urinary tract infection following (induced) termination of pregnancy

  • O04.89—

    (Induced) termination of pregnancy with other complications

  • O07—

    Failed attempted termination of pregnancy

  • O07.0—

    Genital tract and pelvic infection following failed attempted termination of pregnancy

  • O07.1—

    Delayed or excessive hemorrhage following failed attempted termination of pregnancy

  • O07.2—

    Embolism following failed attempted termination of pregnancy

  • O07.3—

    Failed attempted termination of pregnancy with other and unspecified complications

  • O07.30—

    Failed attempted termination of pregnancy with unspecified complications

  • O07.31—

    Shock following failed attempted termination of pregnancy

  • O07.32—

    Renal failure following failed attempted termination of pregnancy

  • O07.33—

    Metabolic disorder following failed attempted termination of pregnancy

  • O07.34—

    Damage to pelvic organs following failed attempted termination of pregnancy

  • O07.35—

    Other venous complications following failed attempted termination of pregnancy

  • O07.36—

    Cardiac arrest following failed attempted termination of pregnancy

  • O07.37—

    Sepsis following failed attempted termination of pregnancy

  • O07.38—

    Urinary tract infection following failed attempted termination of pregnancy

  • O07.39—

    Failed attempted termination of pregnancy with other complications

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