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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  • O35.BXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies, other fetus

  • O35.C—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies

  • O35.CXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, not applicable or unspecified

  • O35.CXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, fetus 1

  • O35.CXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, fetus 2

  • O35.CXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, fetus 3

  • O35.CXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, fetus 4

  • O35.CXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, fetus 5

  • O35.CXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies, other fetus

  • O35.D—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies

  • O35.DXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, not applicable or unspecified

  • O35.DXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, fetus 1

  • O35.DXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, fetus 2

  • O35.DXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, fetus 3

  • O35.DXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, fetus 4

  • O35.DXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, fetus 5

  • O35.DXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies, other fetus

  • O35.E—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies

  • O35.EXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, not applicable or unspecified

  • O35.EXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 1

  • O35.EXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 2

  • O35.EXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 3

  • O35.EXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 4

  • O35.EXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, fetus 5

  • O35.EXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies, other fetus

  • O35.F—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk

  • O35.FXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, not applicable or unspecified

  • O35.FXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 1

  • O35.FXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 2

  • O35.FXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 3

  • O35.FXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 4

  • O35.FXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, fetus 5

  • O35.FXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk, other fetus

  • O35.G—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies

  • O35.GXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, not applicable or unspecified

  • O35.GXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, fetus 1

  • O35.GXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, fetus 2

  • O35.GXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, fetus 3

  • O35.GXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, fetus 4

  • O35.GXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, fetus 5

  • O35.GXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies, other fetus

  • O35.H—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies

  • O35.HXX0—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, not applicable or unspecified

  • O35.HXX1—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, fetus 1

  • O35.HXX2—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, fetus 2

  • O35.HXX3—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, fetus 3

  • O35.HXX4—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, fetus 4

  • O35.HXX5—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, fetus 5

  • O35.HXX9—

    Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies, other fetus

  • O36—

    Maternal care for other fetal problems

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