ICD-10-CM category
L99: Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
L99 is “Other disorders of skin and subcutaneous tissue in diseases classified elsewhere”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code L99?
L99 is the ICD-10-CM code for Other disorders of skin and subcutaneous tissue in diseases classified elsewhere.
Is L99 billable?
Yes — L99 is a valid, billable ICD-10-CM code (it has no further subdivisions).
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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