Chapter XVIII

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
(R00-R99)

Symptoms and signs involving speech and voice
(R47-R49)


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
	Acalculia Agraphia


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