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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  • O30.099—

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

  • O30.1—

    Triplet pregnancy

  • O30.10—

    Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs

  • O30.101—

    Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester

  • O30.102—

    Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester

  • O30.103—

    Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester

  • O30.109—

    Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester

  • O30.11—

    Triplet pregnancy with two or more monochorionic fetuses

  • O30.111—

    Triplet pregnancy with two or more monochorionic fetuses, first trimester

  • O30.112—

    Triplet pregnancy with two or more monochorionic fetuses, second trimester

  • O30.113—

    Triplet pregnancy with two or more monochorionic fetuses, third trimester

  • O30.119—

    Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester

  • O30.12—

    Triplet pregnancy with two or more monoamniotic fetuses

  • O30.121—

    Triplet pregnancy with two or more monoamniotic fetuses, first trimester

  • O30.122—

    Triplet pregnancy with two or more monoamniotic fetuses, second trimester

  • O30.123—

    Triplet pregnancy with two or more monoamniotic fetuses, third trimester

  • O30.129—

    Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester

  • O30.13—

    Triplet pregnancy, trichorionic/triamniotic

  • O30.131—

    Triplet pregnancy, trichorionic/triamniotic, first trimester

  • O30.132—

    Triplet pregnancy, trichorionic/triamniotic, second trimester

  • O30.133—

    Triplet pregnancy, trichorionic/triamniotic, third trimester

  • O30.139—

    Triplet pregnancy, trichorionic/triamniotic, unspecified trimester

  • O30.19—

    Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs

  • O30.191—

    Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester

  • O30.192—

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

  • O30.193—

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

  • O30.199—

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

  • O30.2—

    Quadruplet pregnancy

  • O30.20—

    Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs

  • O30.201—

    Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester

  • O30.202—

    Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester

  • O30.203—

    Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester

  • O30.209—

    Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester

  • O30.21—

    Quadruplet pregnancy with two or more monochorionic fetuses

  • O30.211—

    Quadruplet pregnancy with two or more monochorionic fetuses, first trimester

  • O30.212—

    Quadruplet pregnancy with two or more monochorionic fetuses, second trimester

  • O30.213—

    Quadruplet pregnancy with two or more monochorionic fetuses, third trimester

  • O30.219—

    Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester

  • O30.22—

    Quadruplet pregnancy with two or more monoamniotic fetuses

  • O30.221—

    Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester

  • O30.222—

    Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester

  • O30.223—

    Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester

  • O30.229—

    Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester

  • O30.23—

    Quadruplet pregnancy, quadrachorionic/quadra-amniotic

  • O30.231—

    Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester

  • O30.232—

    Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester

  • O30.233—

    Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester

  • O30.239—

    Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester

  • O30.29—

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

  • O30.291—

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

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