ICD-10-CM > R00-R99 > R47-R49 > R48 R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified Non-Billable/Non-Specific Type 1 Excludes specific developmental disorders of scholastic skills (F81.-) Codes R48.0Dyslexia and alexiaR48.1AgnosiaR48.2ApraxiaR48.3Visual agnosiaR48.8Other symbolic dysfunctionsR48.9Unspecified symbolic dysfunctions