ICD-10-CM · Chapter 5
F81..2 Mathematics disorder
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