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

R47Speech disturbances, not elsewhere classified
Excludes 1: autism (F84.0)
› cluttering (F80.81)
› specific developmental disorders of speech and language (F80.-)
› stuttering (F80.81)

R47.0Dysphasia and aphasia

R47.01Aphasia
Excludes 1: aphasia following cerebrovascular disease (I69. with final characters -20)
› progressive isolated aphasia (G31.01)

R47.02Dysphasia
Excludes 1: dysphasia following cerebrovascular disease (I69. with final characters -21)

R47.1Dysarthria and anarthria
Excludes 1: dysarthria following cerebrovascular disease (I69. with final characters -22)

R47.8Other speech disturbances
Excludes 1: dysarthria following cerebrovascular disease (I69. with final characters -28)

R47.81Slurred speech

R47.82Fluency disorder in conditions classified elsewhere
› Stuttering in conditions classified elsewhere
Code First: underlying disease or condition, such as:
› Parkinson's disease (G20.-)
Excludes 1: adult onset fluency disorder (F98.5)
› childhood onset fluency disorder (F80.81)
› fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)

R47.89Other speech disturbances

R47.9Unspecified speech disturbances

R48Dyslexia and other symbolic dysfunctions, not elsewhere classified
Excludes 1: specific developmental disorders of scholastic skills (F81.-)

R48.0Dyslexia and alexia

R48.1Agnosia
› Astereognosia (astereognosis)
› Autotopagnosia
Excludes 1: visual object agnosia (R48.3)

R48.2Apraxia
Excludes 1: apraxia following cerebrovascular disease (I69. with final characters -90)

R48.3Visual agnosia
› Prosopagnosia
› Simultanagnosia (asimultagnosia)

R48.8Other symbolic dysfunctions
› Acalculia
› Agraphia

R48.9Unspecified symbolic dysfunctions

R49Voice and resonance disorders
Excludes 1: psychogenic voice and resonance disorders (F44.4)

R49.0Dysphonia
› Hoarseness

R49.1Aphonia
› Loss of voice

R49.2Hypernasality and hyponasality

R49.21Hypernasality

R49.22Hyponasality

R49.8Other voice and resonance disorders

R49.9Unspecified voice and resonance disorder
› Change in voice NOS
› Resonance disorder NOS