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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  • O36.839|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester

  • O36.8390|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, not applicable or unspecified

  • O36.8391|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 1

  • O36.8392|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 2

  • O36.8393|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 3

  • O36.8394|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 4

  • O36.8395|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 5

  • O36.8399|

    Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, other fetus

  • O36.89|

    Maternal care for other specified fetal problems

  • O36.891|

    Maternal care for other specified fetal problems, first trimester

  • O36.8910|

    Maternal care for other specified fetal problems, first trimester, not applicable or unspecified

  • O36.8911|

    Maternal care for other specified fetal problems, first trimester, fetus 1

  • O36.8912|

    Maternal care for other specified fetal problems, first trimester, fetus 2

  • O36.8913|

    Maternal care for other specified fetal problems, first trimester, fetus 3

  • O36.8914|

    Maternal care for other specified fetal problems, first trimester, fetus 4

  • O36.8915|

    Maternal care for other specified fetal problems, first trimester, fetus 5

  • O36.8919|

    Maternal care for other specified fetal problems, first trimester, other fetus

  • O36.892|

    Maternal care for other specified fetal problems, second trimester

  • O36.8920|

    Maternal care for other specified fetal problems, second trimester, not applicable or unspecified

  • O36.8921|

    Maternal care for other specified fetal problems, second trimester, fetus 1

  • O36.8922|

    Maternal care for other specified fetal problems, second trimester, fetus 2

  • O36.8923|

    Maternal care for other specified fetal problems, second trimester, fetus 3

  • O36.8924|

    Maternal care for other specified fetal problems, second trimester, fetus 4

  • O36.8925|

    Maternal care for other specified fetal problems, second trimester, fetus 5

  • O36.8929|

    Maternal care for other specified fetal problems, second trimester, other fetus

  • O36.893|

    Maternal care for other specified fetal problems, third trimester

  • O36.8930|

    Maternal care for other specified fetal problems, third trimester, not applicable or unspecified

  • O36.8931|

    Maternal care for other specified fetal problems, third trimester, fetus 1

  • O36.8932|

    Maternal care for other specified fetal problems, third trimester, fetus 2

  • O36.8933|

    Maternal care for other specified fetal problems, third trimester, fetus 3

  • O36.8934|

    Maternal care for other specified fetal problems, third trimester, fetus 4

  • O36.8935|

    Maternal care for other specified fetal problems, third trimester, fetus 5

  • O36.8939|

    Maternal care for other specified fetal problems, third trimester, other fetus

  • O36.899|

    Maternal care for other specified fetal problems, unspecified trimester

  • O36.8990|

    Maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified

  • O36.8991|

    Maternal care for other specified fetal problems, unspecified trimester, fetus 1

  • O36.8992|

    Maternal care for other specified fetal problems, unspecified trimester, fetus 2

  • O36.8993|

    Maternal care for other specified fetal problems, unspecified trimester, fetus 3

  • O36.8994|

    Maternal care for other specified fetal problems, unspecified trimester, fetus 4

  • O36.8995|

    Maternal care for other specified fetal problems, unspecified trimester, fetus 5

  • O36.8999|

    Maternal care for other specified fetal problems, unspecified trimester, other fetus

  • O36.9|

    Maternal care for fetal problem, unspecified

  • O36.90|

    Maternal care for fetal problem, unspecified, unspecified trimester

  • O36.90X0|

    Maternal care for fetal problem, unspecified, unspecified trimester, not applicable or unspecified

  • O36.90X1|

    Maternal care for fetal problem, unspecified, unspecified trimester, fetus 1

  • O36.90X2|

    Maternal care for fetal problem, unspecified, unspecified trimester, fetus 2

  • O36.90X3|

    Maternal care for fetal problem, unspecified, unspecified trimester, fetus 3

  • O36.90X4|

    Maternal care for fetal problem, unspecified, unspecified trimester, fetus 4

  • O36.90X5|

    Maternal care for fetal problem, unspecified, unspecified trimester, fetus 5

  • O36.90X9|

    Maternal care for fetal problem, unspecified, unspecified trimester, other fetus

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