F81..2 Mathematics disorder

Billable

Includes

  • Developmental acalculia
  • Developmental arithmetical disorder
  • Developmental Gerstmann's syndrome
  • Specific learning disorder, with impairment in mathematics

Excludes 1 (cannot be coded together)

  • acalculia NOS (R48.8)

Excludes 2 (not included here)

  • 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)

Last reviewed: September 2026