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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  • O36.5139|

    Maternal care for known or suspected placental insufficiency, third trimester, other fetus

  • O36.519|

    Maternal care for known or suspected placental insufficiency, unspecified trimester

  • O36.5190|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, not applicable or unspecified

  • O36.5191|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 1

  • O36.5192|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 2

  • O36.5193|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 3

  • O36.5194|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 4

  • O36.5195|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, fetus 5

  • O36.5199|

    Maternal care for known or suspected placental insufficiency, unspecified trimester, other fetus

  • O36.59|

    Maternal care for other known or suspected poor fetal growth

  • O36.591|

    Maternal care for other known or suspected poor fetal growth, first trimester

  • O36.5910|

    Maternal care for other known or suspected poor fetal growth, first trimester, not applicable or unspecified

  • O36.5911|

    Maternal care for other known or suspected poor fetal growth, first trimester, fetus 1

  • O36.5912|

    Maternal care for other known or suspected poor fetal growth, first trimester, fetus 2

  • O36.5913|

    Maternal care for other known or suspected poor fetal growth, first trimester, fetus 3

  • O36.5914|

    Maternal care for other known or suspected poor fetal growth, first trimester, fetus 4

  • O36.5915|

    Maternal care for other known or suspected poor fetal growth, first trimester, fetus 5

  • O36.5919|

    Maternal care for other known or suspected poor fetal growth, first trimester, other fetus

  • O36.592|

    Maternal care for other known or suspected poor fetal growth, second trimester

  • O36.5920|

    Maternal care for other known or suspected poor fetal growth, second trimester, not applicable or unspecified

  • O36.5921|

    Maternal care for other known or suspected poor fetal growth, second trimester, fetus 1

  • O36.5922|

    Maternal care for other known or suspected poor fetal growth, second trimester, fetus 2

  • O36.5923|

    Maternal care for other known or suspected poor fetal growth, second trimester, fetus 3

  • O36.5924|

    Maternal care for other known or suspected poor fetal growth, second trimester, fetus 4

  • O36.5925|

    Maternal care for other known or suspected poor fetal growth, second trimester, fetus 5

  • O36.5929|

    Maternal care for other known or suspected poor fetal growth, second trimester, other fetus

  • O36.593|

    Maternal care for other known or suspected poor fetal growth, third trimester

  • O36.5930|

    Maternal care for other known or suspected poor fetal growth, third trimester, not applicable or unspecified

  • O36.5931|

    Maternal care for other known or suspected poor fetal growth, third trimester, fetus 1

  • O36.5932|

    Maternal care for other known or suspected poor fetal growth, third trimester, fetus 2

  • O36.5933|

    Maternal care for other known or suspected poor fetal growth, third trimester, fetus 3

  • O36.5934|

    Maternal care for other known or suspected poor fetal growth, third trimester, fetus 4

  • O36.5935|

    Maternal care for other known or suspected poor fetal growth, third trimester, fetus 5

  • O36.5939|

    Maternal care for other known or suspected poor fetal growth, third trimester, other fetus

  • O36.599|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester

  • O36.5990|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, not applicable or unspecified

  • O36.5991|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 1

  • O36.5992|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 2

  • O36.5993|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 3

  • O36.5994|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 4

  • O36.5995|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 5

  • O36.5999|

    Maternal care for other known or suspected poor fetal growth, unspecified trimester, other fetus

  • O36.6|

    Maternal care for excessive fetal growth

  • O36.60|

    Maternal care for excessive fetal growth, unspecified trimester

  • O36.60X0|

    Maternal care for excessive fetal growth, unspecified trimester, not applicable or unspecified

  • O36.60X1|

    Maternal care for excessive fetal growth, unspecified trimester, fetus 1

  • O36.60X2|

    Maternal care for excessive fetal growth, unspecified trimester, fetus 2

  • O36.60X3|

    Maternal care for excessive fetal growth, unspecified trimester, fetus 3

  • O36.60X4|

    Maternal care for excessive fetal growth, unspecified trimester, fetus 4

  • O36.60X5|

    Maternal care for excessive fetal growth, unspecified trimester, fetus 5

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