F81.2: Mathematics disorder inclusionTerm Developmental acalculia Developmental arithmetical disorder Developmental Gerstmann's syndrome Specific learning disorder, with impairment in mathematics excludes1 acalculia NOS (R48.8) excludes2 arithmetical difficulties associated with a reading disorder (F81.0) arithmetical difficulties associated with a spelling disorder (F81.81) arithmetical difficulties due to inadequate teaching (Z55.8) |