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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  • O24.410|

    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

  • O24.420|

    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

  • O24.430|

    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

  • O24.811|

    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

  • O24.911|

    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

  • O25.10|

    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

  • O26.00|

    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

  • O26.10|

    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

  • O26.13|

    Low weight gain in pregnancy, third trimester

  • O26.20|

    Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester

  • O26.21|

    Pregnancy care for patient with recurrent pregnancy loss, first trimester

  • O26.22|

    Pregnancy care for patient with recurrent pregnancy loss, second trimester

  • O26.23|

    Pregnancy care for patient with recurrent pregnancy loss, third trimester

  • O26.30|

    Retained intrauterine contraceptive device in pregnancy, unspecified trimester

  • O26.31|

    Retained intrauterine contraceptive device in pregnancy, first trimester

  • O26.32|

    Retained intrauterine contraceptive device in pregnancy, second trimester

  • O26.33|

    Retained intrauterine contraceptive device in pregnancy, third trimester

  • O26.40|

    Herpes gestationis, unspecified trimester

  • O26.41|

    Herpes gestationis, first trimester

  • O26.42|

    Herpes gestationis, second trimester

  • O26.43|

    Herpes gestationis, third trimester

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