ICD-10-CM>F01-F99>F80-F89>F81F81Specific developmental disorders of scholastic skillsNon-Billable/Non-SpecificCodesF81.0Specific reading disorderF81.2Mathematics disorderF81.8Other developmental disorders of scholastic skillsF81.81Disorder of written expressionF81.89Other developmental disorders of scholastic skillsF81.9Developmental disorder of scholastic skills, unspecified