EC21 Genetic defects of hair or hair growth

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

code elsewhere

• Genetic syndromes with hypertrichosis  (LD27.3)

sections/codes in this section (EC21-EC21)

• Genetic defects of the hair shaft  (EC21.0)
• Genetic syndromes with abnormalities of the hair shaft  (EC21.1)
• Hereditary alopecia or hypotrichosis  (EC21.2)
• Genetic syndromes with alopecia or hypotrichosis  (EC21.3)
• Genetically-determined hypertrichosis  (EC21.4)
• Other specified genetic defects of hair or hair growth  (EC21.Y)
• Genetic defects of hair or hair growth, unspecified  (EC21.Z)

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