ICD-10-CM L91.0 is the diagnosis code for Hypertrophic scar. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 L91.0. If the patient has both, code each condition separately:
Understanding where L91.0 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, L91.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
L91.0 is the ICD-10-CM diagnosis code for "Hypertrophic scar". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of L91.0 is L91 ("Hypertrophic disorders of skin"). L91.0 provides a more specific classification within this category.
L91.0 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.
Use L91.0 when the patients documented diagnosis matches "Hypertrophic scar" 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 Hypertrophic scar is L91.0.
Yes, L91.0 can be used as a primary diagnosis code since it is billable and specific.
L91.0 is in Chapter 12 of the ICD-10-CM Tabular List.
Yes, L91.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.