ICD-10-CM Book 2025 Edition

Chapters  /  Chapter 18  /  R47-R49

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

R47 Speech disturbances, not elsewhere classified
Excludes1 autism (F84.0)
cluttering (F80.81)
specific developmental disorders of speech and language (F80.-)
stuttering (F80.81)
R47.0 Dysphasia and aphasia
R47.01 Aphasia
Excludes1 aphasia following cerebrovascular disease (I69. with final characters -20)
progressive isolated aphasia (G31.01)
R47.02 Dysphasia
Excludes1 dysphasia following cerebrovascular disease (I69. with final characters -21)
R47.1 Dysarthria and anarthria
Excludes1 dysarthria following cerebrovascular disease (I69. with final characters -22)
R47.8 Other speech disturbances
Excludes1 dysarthria following cerebrovascular disease (I69. with final characters -28)
R47.81 Slurred speech
R47.82 Fluency disorder in conditions classified elsewhere
Stuttering in conditions classified elsewhere
CodeFirst underlying disease or condition, such as:
Parkinson's disease (G20.-)
Excludes1 adult onset fluency disorder (F98.5)
childhood onset fluency disorder (F80.81)
fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)
nonPrimary Yes
R47.89 Other speech disturbances
R47.9 Unspecified speech disturbances
R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified
Excludes1 specific developmental disorders of scholastic skills (F81.-)
R48.0 Dyslexia and alexia
R48.1 Agnosia
Astereognosia (astereognosis)
Autotopagnosia
Excludes1 visual object agnosia (R48.3)
R48.2 Apraxia
Excludes1 apraxia following cerebrovascular disease (I69. with final characters -90)
R48.3 Visual agnosia
Prosopagnosia
Simultanagnosia (asimultagnosia)
R48.8 Other symbolic dysfunctions
Acalculia
Agraphia
R48.9 Unspecified symbolic dysfunctions
R49 Voice and resonance disorders
Excludes1 psychogenic voice and resonance disorders (F44.4)
R49.0 Dysphonia
Hoarseness
R49.1 Aphonia
Loss of voice
R49.2 Hypernasality and hyponasality
R49.21 Hypernasality
R49.22 Hyponasality
R49.8 Other voice and resonance disorders
R49.9 Unspecified voice and resonance disorder
Change in voice NOS
Resonance disorder NOS