1. F81 Specific developmental disorders of scholastic skills

    1. F81.0 Specific reading disorder

      Inclusion term(s):

      • 'Backward reading'
      • Developmental dyslexia
      • Specific learning disorder, with impairment in reading
      • Specific reading retardation
    2. F81.2 Mathematics disorder

      Inclusion term(s):

      • Developmental acalculia
      • Developmental arithmetical disorder
      • Developmental Gerstmann's syndrome
      • Specific learning disorder, with impairment in mathematics
    3. F81.8 Other developmental disorders of scholastic skills

      1. F81.81 Disorder of written expression

        Inclusion term(s):

        • Specific learning disorder, with impairment in written expression
        • Specific spelling disorder
      2. F81.89 Other developmental disorders of scholastic skills

    4. F81.9 Developmental disorder of scholastic skills, unspecified

      Inclusion term(s):

      • Knowledge acquisition disability NOS
      • Learning disability NOS
      • Learning disorder 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.