1. O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

    Includes:

    • pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

    Excludes2

    • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
    1. O10.0 Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium

      Inclusion term(s):

      • Any condition in I10 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
      1. O10.01 Pre-existing essential hypertension complicating pregnancy

        • O10.011 Pre-existing essential hypertension complicating pregnancy, first trimester
        • O10.012 Pre-existing essential hypertension complicating pregnancy, second trimester
        • O10.013 Pre-existing essential hypertension complicating pregnancy, third trimester
        • O10.019 Pre-existing essential hypertension complicating pregnancy, unspecified trimester
      2. O10.02 Pre-existing essential hypertension complicating childbirth

      3. O10.03 Pre-existing essential hypertension complicating the puerperium

    2. O10.1 Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium

      Inclusion term(s):

      • Any condition in I11 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
      1. O10.11 Pre-existing hypertensive heart disease complicating pregnancy

        • O10.111 Pre-existing hypertensive heart disease complicating pregnancy, first trimester
        • O10.112 Pre-existing hypertensive heart disease complicating pregnancy, second trimester
        • O10.113 Pre-existing hypertensive heart disease complicating pregnancy, third trimester
        • O10.119 Pre-existing hypertensive heart disease complicating pregnancy, unspecified trimester
      2. O10.12 Pre-existing hypertensive heart disease complicating childbirth

      3. O10.13 Pre-existing hypertensive heart disease complicating the puerperium

    3. O10.2 Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium

      Inclusion term(s):

      • Any condition in I12 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
      1. O10.21 Pre-existing hypertensive chronic kidney disease complicating pregnancy

        • O10.211 Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester
        • O10.212 Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester
        • O10.213 Pre-existing hypertensive chronic kidney disease complicating pregnancy, third trimester
        • O10.219 Pre-existing hypertensive chronic kidney disease complicating pregnancy, unspecified trimester
      2. O10.22 Pre-existing hypertensive chronic kidney disease complicating childbirth

      3. O10.23 Pre-existing hypertensive chronic kidney disease complicating the puerperium

    4. O10.3 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium

      Inclusion term(s):

      • Any condition in I13 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
      1. O10.31 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy

        • O10.311 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, first trimester
        • O10.312 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, second trimester
        • O10.313 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, third trimester
        • O10.319 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, unspecified trimester
      2. O10.32 Pre-existing hypertensive heart and chronic kidney disease complicating childbirth

      3. O10.33 Pre-existing hypertensive heart and chronic kidney disease complicating the puerperium

    5. O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

      Inclusion term(s):

      • Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
      1. O10.41 Pre-existing secondary hypertension complicating pregnancy

        • O10.411 Pre-existing secondary hypertension complicating pregnancy, first trimester
        • O10.412 Pre-existing secondary hypertension complicating pregnancy, second trimester
        • O10.413 Pre-existing secondary hypertension complicating pregnancy, third trimester
        • O10.419 Pre-existing secondary hypertension complicating pregnancy, unspecified trimester
      2. O10.42 Pre-existing secondary hypertension complicating childbirth

      3. O10.43 Pre-existing secondary hypertension complicating the puerperium

    6. O10.9 Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium

      1. O10.91 Unspecified pre-existing hypertension complicating pregnancy

        • O10.911 Unspecified pre-existing hypertension complicating pregnancy, first trimester
        • O10.912 Unspecified pre-existing hypertension complicating pregnancy, second trimester
        • O10.913 Unspecified pre-existing hypertension complicating pregnancy, third trimester
        • O10.919 Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester
      2. O10.92 Unspecified pre-existing hypertension complicating childbirth

      3. O10.93 Unspecified pre-existing hypertension complicating the puerperium

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.