R47. Speech disturbances, not elsewhere classified
Excludes: autism (F84.0-F84.1)
cluttering (F98.6)
specific developmental disorders of speech and language (F80.-)
stuttering [stammering] (F98.5)
R47.0
Dysphasia and aphasia
Excludes: progressive isolated aphasia (G31.0)
R47.1
Dysarthria and anarthria
R47.8
Other and unspecified speech disturbances