Non-Billable / Non-Specific Code
ICD-10-CM L85 is the diagnosis code for Other epidermal thickening. This code falls under the section "Other disorders of the skin and subcutaneous tissue" within Chapter 12 â Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in L85. If the patient has both, code each condition separately:
Understanding where L85 sits in the ICD-10-CM classification helps ensure proper coding:
No, L85 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
L85 is the ICD-10-CM diagnosis code for "Other epidermal thickening". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
L85 is located in Section L80-L99 â "Other disorders of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.
L85 has 6 sub-code(s) that provide more specific detail: L85.0, L85.1, L85.2, L85.3, L85.8 and more.
Use L85 when the patients documented diagnosis matches "Other epidermal thickening" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other epidermal thickening is L85.
No, L85 is non-billable. Use a more specific sub-code for primary diagnosis billing.
L85 is in Chapter 12 of the ICD-10-CM Tabular List.
Yes, L85 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.