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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