ICD-10-CM > R00-R99 > R47-R49 > R47 > R47.8 > R47.82 R47.82 Fluency disorder in conditions classified elsewhere Billable/Specific Copy Code Copy Description Applicable To Stuttering in conditions classified elsewhere Code First underlying disease or condition, such as:Parkinson's disease (G20.-) Type 1 Excludes adult onset fluency disorder (F98.5)childhood onset fluency disorder (F80.81)fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)