2027 ICD-10-CM Diagnosis Code L85Other epidermal thickening

ICD-10-CM Codes›L00–L99›L80-L99›L85

ICD-10-CM L85
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L85 is a non-billable ICD-10-CM category code for other epidermal thickening, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L85.0, L85.1, L85.2, and L85.3.

Code Identity

ICD-10-CM Code
L85
Billable Status
No — Non-Billable Category
Code Describes
Other epidermal thickening
Short Description
Other epidermal thickening
Same as the full description in the CMS dataset.
Chapter
L80-L99
Other disorders of the skin and subcutaneous tissue

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL80-L99Other disorders of the skin and subcutaneous tissue
CategoryL85Other epidermal thickening
This CodeL85Other epidermal thickening

Specific Coding for Other epidermal thickeningOverview

Non-specific codes like L85 require more characters. Use one of these billable codes instead:

  • Use L85.0 for Acquired ichthyosis

  • Use L85.1 for Acquired keratosis [keratoderma] palmaris et plantaris

  • Use L85.2 for Keratosis punctata (palmaris et plantaris)

  • Use L85.3 for Xerosis cutis

  • Use L85.8 for Other specified epidermal thickening

  • Use L85.9 for Epidermal thickening, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L85: its own notes plus those printed at Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On L85 itself
  • hypertrophic disorders of the skin (L91.-)
From Chapter 12 (L00-L99) Diseases of the skin and subcutaneous tissue applies to 1,001 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Patient EducationClinical

Skin Conditions

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About L85Overview

What is the ICD-10 code for other epidermal thickening?

L85 is the ICD-10-CM category for other epidermal thickening, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is L85 (Other epidermal thickening) a billable code?

No. This is a category header that groups the codes for other epidermal thickening, and headers cannot be submitted on claims. Claims for other epidermal thickening need a more specific code from this category, such as L85.0, L85.1, and L85.2.