L85.9

ICD-10Billable

Epidermal thickening, unspecified

Official ICD-10-CM descriptor (FY2026)

Epidermal thickening, unspecified

L85.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in L85

L85.0Acquired ichthyosis
L85.1Acquired keratosis [keratoderma] palmaris et plantaris
L85.2Keratosis punctata (palmaris et plantaris)
L85.3Xerosis cutis
L85.8Other specified epidermal thickening

Where this code sits

Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: Other disorders of the skin and subcutaneous tissue (L80-L99)
Parent code: L85

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Source

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.