L05.9 is the ICD-10 code for Pilonidal cyst without abscess. It is a four-character subcategory of L05 (Pilonidal cyst), the most specific level in the WHO edition. It belongs to the block L00–L08 (Infections of the skin and subcutaneous tissue) 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
What L05.9 includes
Conditions and terms that are coded here.
- Pilonidal cyst NOS
L05.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
L05.9Pilonidalcyste uten abscess
DL059Pilonidalcyste uden absces
L05.9Pilonidaalikysta ilman märkäpesäkettä
L05.9Pilonidalzyste ohne Abszess
L05.9Sinus pilonidal sans abcès
L05.9sinus pilonidalis zonder abces
Listed through more specific codes:
- L05.91Pilonidal cyst without abscess
- L05.92Pilonidal sinus without abscess
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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