Chapter XVIII

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Symptoms and signs involving speech and voice

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

R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified
Excludes: specific developmental disorders of scholastic skills ( F81.- )
R48.0 Dyslexia and alexia
R48.1 Agnosia
R48.2 Apraxia
R48.8 Other and unspecified symbolic dysfunctions

R49 Voice disturbances
Excludes: psychogenic voice disturbance ( F44.4 )
R49.0 Dysphonia
R49.1 Aphonia
Loss of voice
R49.2 Hypernasality and hyponasality
R49.8 Other and unspecified voice disturbances
Change in voice NOS