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L91.9

✓ Billable

Hypertrophic disorder of the skin, unspecified

Diseases of the skin and subcutaneous tissue (L00-L99)

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✅ No additional coding notes for L91.9

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Code Information

CodeL91.9
BillableYes
ParentL91
CategoryDiseases of the skin and subcutaneous tissue (L00-L99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)