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ICD-10-CM Code L90.0
Lichen sclerosus et atrophicus

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

L90.0 is a billable ICD code used to specify a diagnosis of lichen sclerosus et atrophicus. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code L900 is used to code Lichen sclerosus

Lichen sclerosus (LS), and also known as lichen sclerosus et atrophicus (LSetA) [also termed, incorrectly, "Lichen sclerosIs et atrophicus":227] is a disease of unknown cause that results in white patches on the skin, which may cause scarring on and around genital or sometimes other skin. There is a bimodal age distribution in the incidence of LS. It occurs in females with an average age of diagnosis of 7.6 years in girls and 60 years old in women. The average age of diagnosis in boys is 9–11 years old.

Specialty: Dermatology
MeSH Code: D018459
ICD 9 Code: 701.0

Micrograph of lichen sclerosus showing the characteristic subepithelial sclerosus (right/bottom of image). H&E stain.

Source: Wikipedia

Coding Notes for L90.0 Info for medical coders on how to properly use this ICD-10 code

Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here."
Lichen sclerosus of external female genital organs - instead, use code N90.4
Lichen sclerosus of external male genital organs - instead, use code N48.0

MS-DRG Mapping

  • DRG Group #606-607 - Minor skin disorders with MCC.
  • DRG Group #606-607 - Minor skin disorders without MCC.

ICD-10-CM Alphabetical Index References for 'L90.0 - Lichen sclerosus et atrophicus'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code L90.0. Click on any term below to browse the alphabetical index.


Circumscribed scleroderma (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code L90.0 and a single ICD9 code, 701.0 is an approximate match for comparison and conversion purposes.

Parent Code: L90 - Atrophic disorders of skin

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/L900