6A03.2 Developmental learning disorder with impairment in mathematics

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Developmental learning disorder with impairment in mathematics is characterised by significant and persistent difficulties in learning academic skills related to mathematics or arithmetic, such as number sense, memorization of number facts, accurate calculation, fluent calculation, and accurate mathematic reasoning. The individual’s performance in mathematics or arithmetic is markedly below what would be expected for chronological or developmental age and level of intellectual functioning and results in significant impairment in the individual’s academic or occupational functioning. Developmental learning disorder with impairment in mathematics is not due to a disorder of intellectual development, sensory impairment (vision or hearing), a neurological disorder, lack of availability of education, lack of proficiency in the language of academic instruction, or psychosocial adversity.

exclusions

• Disorders of intellectual development  (6A00)

synonyms

• Developmental learning disorder with impairment in mathematics
• specific disorder of arithmetical skills
• Specific learning disorder with impairment in mathematics
• arithmetical disorder
• developmental arithmetic disorder
• developmental arithmetical disturbance
• developmental disorder of arithmetical skills
• disorder of arithmetical skills
• mathematics disorder
• developmental dyscalculia
• Developmental acalculia

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