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EC21.0 Genetic defects of the hair shaft

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

exclusions

• Menkes' kinky hair syndrome  (5C64.0)

synonyms

• Genetic defects of the hair shaft
• Genetic defects of the hair shaft with increased fragility
• Monilethrix
• Beaded hair
• Pili torti
• Twisted hair
• Genetic defects of the hair shaft without increased fragility
• Uncombable hair syndrome
• Pili trianguli et canaliculi
• Cheveux incoiffables
• Spun-glass hair
• Woolly hair
• Pseudomonilethrix
• Pili annulati
• Ringed hair
• Loose anagen syndrome
• Loose anagen hair syndrome
• Genetic abnormalities of hair colour
• Familial premature canities
• Familial premature greying of the hair
• Familial poliosis

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