Mathematics disorder

**Inclusion terms:** - 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)