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)
  • 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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  • O07.4—

    Failed attempted termination of pregnancy without complication

  • O08—

    Complications following ectopic and molar pregnancy

  • O08.0—

    Genital tract and pelvic infection following ectopic and molar pregnancy

  • O08.1—

    Delayed or excessive hemorrhage following ectopic and molar pregnancy

  • O08.2—

    Embolism following ectopic and molar pregnancy

  • O08.3—

    Shock following ectopic and molar pregnancy

  • O08.4—

    Renal failure following ectopic and molar pregnancy

  • O08.5—

    Metabolic disorders following an ectopic and molar pregnancy

  • O08.6—

    Damage to pelvic organs and tissues following an ectopic and molar pregnancy

  • O08.7—

    Other venous complications following an ectopic and molar pregnancy

  • O08.8—

    Other complications following an ectopic and molar pregnancy

  • O08.81—

    Cardiac arrest following an ectopic and molar pregnancy

  • O08.82—

    Sepsis following ectopic and molar pregnancy

  • O08.83—

    Urinary tract infection following an ectopic and molar pregnancy

  • O08.89—

    Other complications following an ectopic and molar pregnancy

  • O08.9—

    Unspecified complication following an ectopic and molar pregnancy

  • O09—

    Supervision of high risk pregnancy

  • O09.0—

    Supervision of pregnancy with history of infertility

  • O09.00—

    Supervision of pregnancy with history of infertility, unspecified trimester

  • O09.01—

    Supervision of pregnancy with history of infertility, first trimester

  • O09.02—

    Supervision of pregnancy with history of infertility, second trimester

  • O09.03—

    Supervision of pregnancy with history of infertility, third trimester

  • O09.1—

    Supervision of pregnancy with history of ectopic pregnancy

  • O09.10—

    Supervision of pregnancy with history of ectopic pregnancy, unspecified trimester

  • O09.11—

    Supervision of pregnancy with history of ectopic pregnancy, first trimester

  • O09.12—

    Supervision of pregnancy with history of ectopic pregnancy, second trimester

  • O09.13—

    Supervision of pregnancy with history of ectopic pregnancy, third trimester

  • O09.2—

    Supervision of pregnancy with other poor reproductive or obstetric history

  • O09.21—

    Supervision of pregnancy with history of pre-term labor

  • O09.211—

    Supervision of pregnancy with history of pre-term labor, first trimester

  • O09.212—

    Supervision of pregnancy with history of pre-term labor, second trimester

  • O09.213—

    Supervision of pregnancy with history of pre-term labor, third trimester

  • O09.219—

    Supervision of pregnancy with history of pre-term labor, unspecified trimester

  • O09.29—

    Supervision of pregnancy with other poor reproductive or obstetric history

  • O09.291—

    Supervision of pregnancy with other poor reproductive or obstetric history, first trimester

  • O09.292—

    Supervision of pregnancy with other poor reproductive or obstetric history, second trimester

  • O09.293—

    Supervision of pregnancy with other poor reproductive or obstetric history, third trimester

  • O09.299—

    Supervision of pregnancy with other poor reproductive or obstetric history, unspecified trimester

  • O09.3—

    Supervision of pregnancy with insufficient antenatal care

  • O09.30—

    Supervision of pregnancy with insufficient antenatal care, unspecified trimester

  • O09.31—

    Supervision of pregnancy with insufficient antenatal care, first trimester

  • O09.32—

    Supervision of pregnancy with insufficient antenatal care, second trimester

  • O09.33—

    Supervision of pregnancy with insufficient antenatal care, third trimester

  • O09.4—

    Supervision of pregnancy with grand multiparity

  • O09.40—

    Supervision of pregnancy with grand multiparity, unspecified trimester

  • O09.41—

    Supervision of pregnancy with grand multiparity, first trimester

  • O09.42—

    Supervision of pregnancy with grand multiparity, second trimester

  • O09.43—

    Supervision of pregnancy with grand multiparity, third trimester

  • O09.5—

    Supervision of elderly primigravida and multigravida

  • O09.51—

    Supervision of elderly primigravida

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