L91.9
ICD-10BillableHypertrophic disorder of the skin, unspecified
Official ICD-10-CM descriptor (FY2026)
Hypertrophic disorder of the skin, unspecified
L91.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Related codes in L91
Where this code sits
- Parent code
- L91
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.