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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  • O09.12—

    Supervision of pregnancy with history of ectopic pregnancy, second trimester

  • O09.13—

    Supervision of pregnancy with history of ectopic pregnancy, third trimester

  • O09.211—

    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

  • O09.291—

    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

  • O09.30—

    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

  • O09.40—

    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

  • O09.511—

    Supervision of elderly primigravida, first trimester

  • O09.512—

    Supervision of elderly primigravida, second trimester

  • O09.513—

    Supervision of elderly primigravida, third trimester

  • O09.519—

    Supervision of elderly primigravida, unspecified trimester

  • O09.521—

    Supervision of elderly multigravida, first trimester

  • O09.522—

    Supervision of elderly multigravida, second trimester

  • O09.523—

    Supervision of elderly multigravida, third trimester

  • O09.529—

    Supervision of elderly multigravida, unspecified trimester

  • O09.611—

    Supervision of young primigravida, first trimester

  • O09.612—

    Supervision of young primigravida, second trimester

  • O09.613—

    Supervision of young primigravida, third trimester

  • O09.619—

    Supervision of young primigravida, unspecified trimester

  • O09.621—

    Supervision of young multigravida, first trimester

  • O09.622—

    Supervision of young multigravida, second trimester

  • O09.623—

    Supervision of young multigravida, third trimester

  • O09.629—

    Supervision of young multigravida, unspecified trimester

  • O09.70—

    Supervision of high risk pregnancy due to social problems, unspecified trimester

  • O09.71—

    Supervision of high risk pregnancy due to social problems, first trimester

  • O09.72—

    Supervision of high risk pregnancy due to social problems, second trimester

  • O09.73—

    Supervision of high risk pregnancy due to social problems, third trimester

  • O09.811—

    Supervision of pregnancy resulting from assisted reproductive technology, first trimester

  • O09.812—

    Supervision of pregnancy resulting from assisted reproductive technology, second trimester

  • O09.813—

    Supervision of pregnancy resulting from assisted reproductive technology, third trimester

  • O09.819—

    Supervision of pregnancy resulting from assisted reproductive technology, unspecified trimester

  • O09.821—

    Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester

  • O09.822—

    Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimester

  • O09.823—

    Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimester

  • O09.829—

    Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimester

  • O09.891—

    Supervision of other high risk pregnancies, first trimester

  • O09.892—

    Supervision of other high risk pregnancies, second trimester

  • O09.893—

    Supervision of other high risk pregnancies, third trimester

  • O09.899—

    Supervision of other high risk pregnancies, unspecified trimester

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