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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  • 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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