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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  • O36.0929—

    Maternal care for other rhesus isoimmunization, second trimester, other fetus

  • O36.093—

    Maternal care for other rhesus isoimmunization, third trimester

  • O36.0930—

    Maternal care for other rhesus isoimmunization, third trimester, not applicable or unspecified

  • O36.0931—

    Maternal care for other rhesus isoimmunization, third trimester, fetus 1

  • O36.0932—

    Maternal care for other rhesus isoimmunization, third trimester, fetus 2

  • O36.0933—

    Maternal care for other rhesus isoimmunization, third trimester, fetus 3

  • O36.0934—

    Maternal care for other rhesus isoimmunization, third trimester, fetus 4

  • O36.0935—

    Maternal care for other rhesus isoimmunization, third trimester, fetus 5

  • O36.0939—

    Maternal care for other rhesus isoimmunization, third trimester, other fetus

  • O36.099—

    Maternal care for other rhesus isoimmunization, unspecified trimester

  • O36.0990—

    Maternal care for other rhesus isoimmunization, unspecified trimester, not applicable or unspecified

  • O36.0991—

    Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 1

  • O36.0992—

    Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 2

  • O36.0993—

    Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 3

  • O36.0994—

    Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 4

  • O36.0995—

    Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 5

  • O36.0999—

    Maternal care for other rhesus isoimmunization, unspecified trimester, other fetus

  • O36.1—

    Maternal care for other isoimmunization

  • O36.11—

    Maternal care for Anti-A sensitization

  • O36.111—

    Maternal care for Anti-A sensitization, first trimester

  • O36.1110—

    Maternal care for Anti-A sensitization, first trimester, not applicable or unspecified

  • O36.1111—

    Maternal care for Anti-A sensitization, first trimester, fetus 1

  • O36.1112—

    Maternal care for Anti-A sensitization, first trimester, fetus 2

  • O36.1113—

    Maternal care for Anti-A sensitization, first trimester, fetus 3

  • O36.1114—

    Maternal care for Anti-A sensitization, first trimester, fetus 4

  • O36.1115—

    Maternal care for Anti-A sensitization, first trimester, fetus 5

  • O36.1119—

    Maternal care for Anti-A sensitization, first trimester, other fetus

  • O36.112—

    Maternal care for Anti-A sensitization, second trimester

  • O36.1120—

    Maternal care for Anti-A sensitization, second trimester, not applicable or unspecified

  • O36.1121—

    Maternal care for Anti-A sensitization, second trimester, fetus 1

  • O36.1122—

    Maternal care for Anti-A sensitization, second trimester, fetus 2

  • O36.1123—

    Maternal care for Anti-A sensitization, second trimester, fetus 3

  • O36.1124—

    Maternal care for Anti-A sensitization, second trimester, fetus 4

  • O36.1125—

    Maternal care for Anti-A sensitization, second trimester, fetus 5

  • O36.1129—

    Maternal care for Anti-A sensitization, second trimester, other fetus

  • O36.113—

    Maternal care for Anti-A sensitization, third trimester

  • O36.1130—

    Maternal care for Anti-A sensitization, third trimester, not applicable or unspecified

  • O36.1131—

    Maternal care for Anti-A sensitization, third trimester, fetus 1

  • O36.1132—

    Maternal care for Anti-A sensitization, third trimester, fetus 2

  • O36.1133—

    Maternal care for Anti-A sensitization, third trimester, fetus 3

  • O36.1134—

    Maternal care for Anti-A sensitization, third trimester, fetus 4

  • O36.1135—

    Maternal care for Anti-A sensitization, third trimester, fetus 5

  • O36.1139—

    Maternal care for Anti-A sensitization, third trimester, other fetus

  • O36.119—

    Maternal care for Anti-A sensitization, unspecified trimester

  • O36.1190—

    Maternal care for Anti-A sensitization, unspecified trimester, not applicable or unspecified

  • O36.1191—

    Maternal care for Anti-A sensitization, unspecified trimester, fetus 1

  • O36.1192—

    Maternal care for Anti-A sensitization, unspecified trimester, fetus 2

  • O36.1193—

    Maternal care for Anti-A sensitization, unspecified trimester, fetus 3

  • O36.1194—

    Maternal care for Anti-A sensitization, unspecified trimester, fetus 4

  • O36.1195—

    Maternal care for Anti-A sensitization, unspecified trimester, fetus 5

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