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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  • O24.4—

    Gestational diabetes mellitus

  • O24.41—

    Gestational diabetes mellitus in pregnancy

  • O24.410—

    Gestational diabetes mellitus in pregnancy, diet controlled

  • O24.414—

    Gestational diabetes mellitus in pregnancy, insulin controlled

  • O24.415—

    Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs

  • O24.419—

    Gestational diabetes mellitus in pregnancy, unspecified control

  • O24.42—

    Gestational diabetes mellitus in childbirth

  • O24.420—

    Gestational diabetes mellitus in childbirth, diet controlled

  • O24.424—

    Gestational diabetes mellitus in childbirth, insulin controlled

  • O24.425—

    Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs

  • O24.429—

    Gestational diabetes mellitus in childbirth, unspecified control

  • O24.43—

    Gestational diabetes mellitus in the puerperium

  • O24.430—

    Gestational diabetes mellitus in the puerperium, diet controlled

  • O24.434—

    Gestational diabetes mellitus in the puerperium, insulin controlled

  • O24.435—

    Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs

  • O24.439—

    Gestational diabetes mellitus in the puerperium, unspecified control

  • O24.8—

    Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium

  • O24.81—

    Other pre-existing diabetes mellitus in pregnancy

  • O24.811—

    Other pre-existing diabetes mellitus in pregnancy, first trimester

  • O24.812—

    Other pre-existing diabetes mellitus in pregnancy, second trimester

  • O24.813—

    Other pre-existing diabetes mellitus in pregnancy, third trimester

  • O24.819—

    Other pre-existing diabetes mellitus in pregnancy, unspecified trimester

  • O24.82—

    Other pre-existing diabetes mellitus in childbirth

  • O24.83—

    Other pre-existing diabetes mellitus in the puerperium

  • O24.9—

    Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium

  • O24.91—

    Unspecified diabetes mellitus in pregnancy

  • O24.911—

    Unspecified diabetes mellitus in pregnancy, first trimester

  • O24.912—

    Unspecified diabetes mellitus in pregnancy, second trimester

  • O24.913—

    Unspecified diabetes mellitus in pregnancy, third trimester

  • O24.919—

    Unspecified diabetes mellitus in pregnancy, unspecified trimester

  • O24.92—

    Unspecified diabetes mellitus in childbirth

  • O24.93—

    Unspecified diabetes mellitus in the puerperium

  • O25—

    Malnutrition in pregnancy, childbirth and the puerperium

  • O25.1—

    Malnutrition in pregnancy

  • O25.10—

    Malnutrition in pregnancy, unspecified trimester

  • O25.11—

    Malnutrition in pregnancy, first trimester

  • O25.12—

    Malnutrition in pregnancy, second trimester

  • O25.13—

    Malnutrition in pregnancy, third trimester

  • O25.2—

    Malnutrition in childbirth

  • O25.3—

    Malnutrition in the puerperium

  • O26—

    Maternal care for other conditions predominantly related to pregnancy

  • O26.0—

    Excessive weight gain in pregnancy

  • O26.00—

    Excessive weight gain in pregnancy, unspecified trimester

  • O26.01—

    Excessive weight gain in pregnancy, first trimester

  • O26.02—

    Excessive weight gain in pregnancy, second trimester

  • O26.03—

    Excessive weight gain in pregnancy, third trimester

  • O26.1—

    Low weight gain in pregnancy

  • O26.10—

    Low weight gain in pregnancy, unspecified trimester

  • O26.11—

    Low weight gain in pregnancy, first trimester

  • O26.12—

    Low weight gain in pregnancy, second trimester

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