ICD-10-CM > R00-R99 > R47-R49 > R47 > R47.8 R47.8 Other speech disturbances Non-Billable/Non-Specific Type 1 Excludes dysarthria following cerebrovascular disease (I69. with final characters -28) Codes R47.81Slurred speechR47.82Fluency disorder in conditions classified elsewhereR47.89Other speech disturbances