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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  • O30.292—

    Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester

  • O30.293—

    Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester

  • O30.299—

    Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester

  • O30.8—

    Other specified multiple gestation

  • O30.80—

    Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs

  • O30.801—

    Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester

  • O30.802—

    Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester

  • O30.803—

    Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester

  • O30.809—

    Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester

  • O30.81—

    Other specified multiple gestation with two or more monochorionic fetuses

  • O30.811—

    Other specified multiple gestation with two or more monochorionic fetuses, first trimester

  • O30.812—

    Other specified multiple gestation with two or more monochorionic fetuses, second trimester

  • O30.813—

    Other specified multiple gestation with two or more monochorionic fetuses, third trimester

  • O30.819—

    Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester

  • O30.82—

    Other specified multiple gestation with two or more monoamniotic fetuses

  • O30.821—

    Other specified multiple gestation with two or more monoamniotic fetuses, first trimester

  • O30.822—

    Other specified multiple gestation with two or more monoamniotic fetuses, second trimester

  • O30.823—

    Other specified multiple gestation with two or more monoamniotic fetuses, third trimester

  • O30.829—

    Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester

  • O30.83—

    Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses

  • O30.831—

    Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester

  • O30.832—

    Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester

  • O30.833—

    Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester

  • O30.839—

    Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester

  • O30.89—

    Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs

  • O30.891—

    Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester

  • O30.892—

    Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester

  • O30.893—

    Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester

  • O30.899—

    Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester

  • O30.9—

    Multiple gestation, unspecified

  • O30.90—

    Multiple gestation, unspecified, unspecified trimester

  • O30.91—

    Multiple gestation, unspecified, first trimester

  • O30.92—

    Multiple gestation, unspecified, second trimester

  • O30.93—

    Multiple gestation, unspecified, third trimester

  • O31—

    Complications specific to multiple gestation

  • O31.0—

    Papyraceous fetus

  • O31.00—

    Papyraceous fetus, unspecified trimester

  • O31.00X0—

    Papyraceous fetus, unspecified trimester, not applicable or unspecified

  • O31.00X1—

    Papyraceous fetus, unspecified trimester, fetus 1

  • O31.00X2—

    Papyraceous fetus, unspecified trimester, fetus 2

  • O31.00X3—

    Papyraceous fetus, unspecified trimester, fetus 3

  • O31.00X4—

    Papyraceous fetus, unspecified trimester, fetus 4

  • O31.00X5—

    Papyraceous fetus, unspecified trimester, fetus 5

  • O31.00X9—

    Papyraceous fetus, unspecified trimester, other fetus

  • O31.01—

    Papyraceous fetus, first trimester

  • O31.01X0—

    Papyraceous fetus, first trimester, not applicable or unspecified

  • O31.01X1—

    Papyraceous fetus, first trimester, fetus 1

  • O31.01X2—

    Papyraceous fetus, first trimester, fetus 2

  • O31.01X3—

    Papyraceous fetus, first trimester, fetus 3

  • O31.01X4—

    Papyraceous fetus, first trimester, fetus 4

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