Excludes2

  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
  1. O26 Maternal care for other conditions predominantly related to pregnancy

    1. O26.0 Excessive weight gain in pregnancy

      1. O26.00 Excessive weight gain in pregnancy, unspecified trimester

      2. O26.01 Excessive weight gain in pregnancy, first trimester

      3. O26.02 Excessive weight gain in pregnancy, second trimester

      4. O26.03 Excessive weight gain in pregnancy, third trimester

    2. O26.1 Low weight gain in pregnancy

      1. O26.10 Low weight gain in pregnancy, unspecified trimester

      2. O26.11 Low weight gain in pregnancy, first trimester

      3. O26.12 Low weight gain in pregnancy, second trimester

      4. O26.13 Low weight gain in pregnancy, third trimester

    3. O26.2 Pregnancy care for patient with recurrent pregnancy loss

      1. O26.20 Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester

      2. O26.21 Pregnancy care for patient with recurrent pregnancy loss, first trimester

      3. O26.22 Pregnancy care for patient with recurrent pregnancy loss, second trimester

      4. O26.23 Pregnancy care for patient with recurrent pregnancy loss, third trimester

    4. O26.3 Retained intrauterine contraceptive device in pregnancy

      1. O26.30 Retained intrauterine contraceptive device in pregnancy, unspecified trimester

      2. O26.31 Retained intrauterine contraceptive device in pregnancy, first trimester

      3. O26.32 Retained intrauterine contraceptive device in pregnancy, second trimester

      4. O26.33 Retained intrauterine contraceptive device in pregnancy, third trimester

    5. O26.4 Herpes gestationis

      1. O26.40 Herpes gestationis, unspecified trimester

      2. O26.41 Herpes gestationis, first trimester

      3. O26.42 Herpes gestationis, second trimester

      4. O26.43 Herpes gestationis, third trimester

    6. O26.5 Maternal hypotension syndrome

      Inclusion term(s):

      • Supine hypotensive syndrome
      1. O26.50 Maternal hypotension syndrome, unspecified trimester

      2. O26.51 Maternal hypotension syndrome, first trimester

      3. O26.52 Maternal hypotension syndrome, second trimester

      4. O26.53 Maternal hypotension syndrome, third trimester

    7. O26.6 Liver and biliary tract disorders in pregnancy, childbirth and the puerperium

      1. O26.61 Liver and biliary tract disorders in pregnancy

        • O26.611 Liver and biliary tract disorders in pregnancy, first trimester
        • O26.612 Liver and biliary tract disorders in pregnancy, second trimester
        • O26.613 Liver and biliary tract disorders in pregnancy, third trimester
        • O26.619 Liver and biliary tract disorders in pregnancy, unspecified trimester
      2. O26.62 Liver and biliary tract disorders in childbirth

      3. O26.63 Liver and biliary tract disorders in the puerperium

    8. O26.7 Subluxation of symphysis (pubis) in pregnancy, childbirth and the puerperium

      1. O26.71 Subluxation of symphysis (pubis) in pregnancy

        • O26.711 Subluxation of symphysis (pubis) in pregnancy, first trimester
        • O26.712 Subluxation of symphysis (pubis) in pregnancy, second trimester
        • O26.713 Subluxation of symphysis (pubis) in pregnancy, third trimester
        • O26.719 Subluxation of symphysis (pubis) in pregnancy, unspecified trimester
      2. O26.72 Subluxation of symphysis (pubis) in childbirth

      3. O26.73 Subluxation of symphysis (pubis) in the puerperium

    9. O26.8 Other specified pregnancy related conditions

      1. O26.81 Pregnancy related exhaustion and fatigue

        • O26.811 Pregnancy related exhaustion and fatigue, first trimester
        • O26.812 Pregnancy related exhaustion and fatigue, second trimester
        • O26.813 Pregnancy related exhaustion and fatigue, third trimester
        • O26.819 Pregnancy related exhaustion and fatigue, unspecified trimester
      2. O26.82 Pregnancy related peripheral neuritis

        • O26.821 Pregnancy related peripheral neuritis, first trimester
        • O26.822 Pregnancy related peripheral neuritis, second trimester
        • O26.823 Pregnancy related peripheral neuritis, third trimester
        • O26.829 Pregnancy related peripheral neuritis, unspecified trimester
      3. O26.83 Pregnancy related renal disease

        • O26.831 Pregnancy related renal disease, first trimester
        • O26.832 Pregnancy related renal disease, second trimester
        • O26.833 Pregnancy related renal disease, third trimester
        • O26.839 Pregnancy related renal disease, unspecified trimester
      4. O26.84 Uterine size-date discrepancy complicating pregnancy

        • O26.841 Uterine size-date discrepancy, first trimester
        • O26.842 Uterine size-date discrepancy, second trimester
        • O26.843 Uterine size-date discrepancy, third trimester
        • O26.849 Uterine size-date discrepancy, unspecified trimester
      5. O26.85 Spotting complicating pregnancy

        • O26.851 Spotting complicating pregnancy, first trimester
        • O26.852 Spotting complicating pregnancy, second trimester
        • O26.853 Spotting complicating pregnancy, third trimester
        • O26.859 Spotting complicating pregnancy, unspecified trimester
      6. O26.86 Pruritic urticarial papules and plaques of pregnancy (PUPPP)

        Inclusion term(s):

        • Polymorphic eruption of pregnancy
      7. O26.87 Cervical shortening

        • O26.872 Cervical shortening, second trimester
        • O26.873 Cervical shortening, third trimester
        • O26.879 Cervical shortening, unspecified trimester
      8. O26.89 Other specified pregnancy related conditions

        • O26.891 Other specified pregnancy related conditions, first trimester
        • O26.892 Other specified pregnancy related conditions, second trimester
        • O26.893 Other specified pregnancy related conditions, third trimester
        • O26.899 Other specified pregnancy related conditions, unspecified trimester
    10. O26.9 Pregnancy related conditions, unspecified

      1. O26.90 Pregnancy related conditions, unspecified, unspecified trimester

      2. O26.91 Pregnancy related conditions, unspecified, first trimester

      3. O26.92 Pregnancy related conditions, unspecified, second trimester

      4. O26.93 Pregnancy related conditions, unspecified, third trimester

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.