L72.1 is the ICD-10 code for Trichilemmal cyst. It is a four-character subcategory of L72 (Follicular cysts of skin and subcutaneous tissue), 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
What L72.1 includes
Conditions and terms that are coded here.
- Pilar cyst
- Sebaceous cyst
L72.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
L72.1Trikilemmal cysta
L72.1Retensjonscyste i talgkjertel eller hårsekk
DL721Cystis trichodermalis
- DL721ACystis pilaris
- DL721BCystis sebacea
L72.1Karva-aiheen kysta
L72.1Trichilemmalzyste
L72.1Kyste sébacé
L72.1tricholemmale cyste
Listed through more specific codes:
- L72.11Pilar cyst
- L72.12Trichodermal cyst
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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