F98.5
Stuttering [stammering]
Coding guidance (WHO 2019)
Speech that is characterized by frequent repetition or prolongation of sounds or syllables or words, or by frequent hesitations or pauses that disrupt the rhythmic flow of speech. It should be classified as a disorder only if its severity is such as to markedly disturb the fluency of speech. Excl.: cluttering (F98.6) tic disorders (F95.-)
Sibling codes
F98Other behavioural and emotional disorders with onset usually occurring in childhood and adolescenceF98.0Nonorganic enuresisF98.1Nonorganic encopresisF98.2Feeding disorder of infancy and childhoodF98.3Pica of infancy and childhoodF98.4Stereotyped movement disordersF98.6ClutteringF98.8Other specified behavioural and emotional disorders with onset usually occurring in childhood and adolescenceF98.9Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence