L66.3 is the ICD-10 code for Perifolliculitis capitis abscedens. It is a four-character subcategory of L66 (Cicatricial alopecia [scarring hair loss]), the most specific level in the WHO edition. It belongs to the block L60–L75 (Disorders of skin appendages) in Chapter XII, Diseases of the skin and subcutaneous tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XII · L00–L99
- Classification
- WHO ICD-10, 2019 version
L66.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
L66.3Perifolliculitis capitis abscedens
DL663Perifolliculitis capitis abscedens
L66.3Perifolliculitis capitis abscedens
L66.3Folliculitis et Perifolliculitis capitis abscedens et suffodiens [Hoffmann]
L66.3Périfolliculite capitis abscedens
L66.3perifolliculitis capitis abscedens
L66.3Perifolliculitis capitis abscedens
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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