1. E03 Other hypothyroidism

    Excludes1

    • iodine-deficiency related hypothyroidism (E00-E02)
    • postprocedural hypothyroidism (E89.0)
    1. E03.0 Congenital hypothyroidism with diffuse goiter

      Inclusion term(s):

      • Congenital parenchymatous goiter (nontoxic)
      • Congenital goiter (nontoxic) NOS
    2. E03.1 Congenital hypothyroidism without goiter

      Inclusion term(s):

      • Aplasia of thyroid (with myxedema)
      • Congenital atrophy of thyroid
      • Congenital hypothyroidism NOS
    3. E03.2 Hypothyroidism due to medicaments and other exogenous substances

    4. E03.3 Postinfectious hypothyroidism

    5. E03.4 Atrophy of thyroid (acquired)

    6. E03.5 Myxedema coma

    7. E03.8 Other specified hypothyroidism

    8. E03.9 Hypothyroidism, unspecified

      Inclusion term(s):

      • Myxedema NOS
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.