Other disorders of the skin and subcutaneous tissue (L80-L99) ICD-10-CM
The L80–L99 section covers other disorders of the skin and subcutaneous tissue with 646 ICD-10-CM diagnosis codes, of which 551 are billable in fiscal year 2026. The section is organized into the 19 code ranges listed below.
Code Ranges in This Section 19 ranges · 646 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the L80–L99 Code Range
ICD-10 codes from L80 to L99 are assigned to a broad group of other disorders of the skin and subcutaneous tissue. These codes cover various specific pigmentary abnormalities, thickening, ulcers, inflammatory and granulomatous skin conditions, as well as connective tissue and vascular disorders affecting the skin.
This range includes codes like L80 for Vitiligo, which addresses pigment loss known by synonyms such as segmental or generalized vitiligo. Codes in the L81 series catalog disorders affecting skin pigmentation, including chloasma (melasma) and freckles. The L82-L85 series cover benign epidermal growths such as seborrheic keratosis and disorders characterized by skin thickening or scaling, for example, acquired ichthyosis and keratosis punctata. L89 codes focus on pressure ulcers at various body sites, specifying stages from unstageable to stage 4 and deep tissue damage, essential for wound management documentation. Ulcers unrelated to pressure, typically on lower limbs and feet, are classified under L97. This extensive grouping includes atrophic skin disorders (L90), hypertrophic scarring (L91), and granulomatous conditions such as granuloma annulare (L92). Lupus erythematosus forms and localized connective tissue disorders like scleroderma appear under L93-L94. Vasculitis limited to the skin is addressed in L95, while rare and other specified dermatoses, including mucinosis and factitial dermatitis, are found within L98. Finally, L99 encompasses skin and subcutaneous changes associated with systemic diseases, such as HIV-related skin disorders and amyloidosis. This classification supports precise coding for uncommon and complex dermatologic conditions beyond more common categories.
Questions About This Page
How many codes are in the L80-L99 range?
The L80-L99 range contains 646 ICD-10-CM diagnosis codes in FY 2026. 551 of them are billable, and the rest are category headers that organize the section.
What conditions does L80-L99 cover?
The range covers other disorders of the skin and subcutaneous tissue. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
