ICD-10 Code L98 – Other disorders of skin and subcutaneous tissue, not elsewhere classified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L98 – Other disorders of skin and subcutaneous tissue, not elsewhere classified
What it is
L98 is a broad ICD-10-CM category for skin and subcutaneous tissue disorders that do not fit a more specific diagnosis. Use it when the record clearly identifies an “other” skin condition, but no narrower code applies.
Clinical signs
Clinical features vary; refer to documentation. Findings may include localized skin changes, lesions, or subcutaneous abnormalities that are described as atypical, residual, or otherwise unspecified by a more exact diagnosis.
When to use this code
Use L98 when the provider documents a qualifying disorder of skin or subcutaneous tissue and the chart does not support a more specific code. It is appropriate for conditions grouped as “other” in the record. If the diagnosis is incomplete, check documentation before coding.
Do not use for
Do not use L98 for common, better-defined skin diseases with their own codes. Also avoid it when the documentation only describes a symptom, such as rash or pruritus, without a confirmed disorder.
Coding tip
Before assigning L98, verify that the provider has documented a specific “other” skin disorder and that no more precise ICD-10-CM code applies.