Skin changes due to chronic exposure to nonionizing radiation (L57) ICD-10-CM
The L57 code range covers skin changes due to chronic exposure to nonionizing radiation with 9 ICD-10-CM diagnosis codes. 8 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
Codes in the L57 Range 9 codes · 8 billable
- L57 Skin changes due to chronic exposure to nonionizing radiationNon-billable
- L57.0 Actinic keratosis
- L57.1 Actinic reticuloid
- L57.2 Cutis rhomboidalis nuchae
- L57.3 Poikiloderma of Civatte
- L57.4 Cutis laxa senilis
- L57.5 Actinic granuloma
- L57.8 Other skin changes due to chronic exposure to nonionizing radiation
- L57.9 Skin changes due to chronic exposure to nonionizing radiation, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the L57 range.
Keratosis, Actinic
White or pink lesions on the arms, hands, face, or scalp that arise from sun-induced DNA DAMAGE to KERATINOCYTES in exposed areas. They are considered precursor lesions to superficial SQUAMOUS CELL CARCINOMA.
About the L57 Code Range
These skin changes result from long-term exposure to nonionizing radiation. They sit within the broader group of radiation-related skin disorders.
The subdivisions distinguish named skin changes, such as L57.0 and L57.3, from other skin changes under L57.8 and unspecified skin changes under L57.9.
Questions About This Page
How many billable codes are in the L57 range?
Of the 9 codes in this range, 8 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the L57 range classify?
The range classifies skin changes due to chronic exposure to nonionizing radiation. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
