L57.9 Skin changes due to chronic exposure to nonionizing radiation, unspecified

Billable ICD-10-CM code, FY2026.

Applies from L57 Skin changes due to chronic exposure to nonionizing radiation

Use additional code

• code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 692.74 Other chronic dermatitis due to solar radiation (approximate)

Code annotations containing back-references to L57.9

Back-references to L57

• Type 1 Excludes: K13.0 Diseases of lips ("cheilitis due to radiation-related disorders (L55-L59)")
• Type 2 Excludes: L23 Allergic contact dermatitis ("radiation-related disorders of the skin and subcutaneous tissue (L55-L59)")
• Type 2 Excludes: L24 Irritant contact dermatitis ("radiation-related disorders of the skin and subcutaneous tissue (L55-L59)")
• Type 2 Excludes: L25 Unspecified contact dermatitis ("radiation-related disorders of the skin and subcutaneous tissue (L55-L59)")
• Type 2 Excludes: L98.7 Excessive and redundant skin and subcutaneous tissue ("skin changes due to chronic exposure to nonionizing radiation (L57.-)")
• Type 1 Excludes: T66 Radiation sickness, unspecified ("radiation related disorders of the skin and subcutaneous tissue (L55-L59)")
• Type 1 Excludes: T67 Effects of heat and light ("radiation-related disorders of the skin and subcutaneous tissue (L55-L59)")
• Type 2 Excludes: X32 Exposure to sunlight ("radiation-related disorders of the skin and subcutaneous tissue (L55-L59)")

Diagnosis Index entries for L57.9

• Change (s) (in) (of) › skin › chronic, due to nonionizing radiation

Nearby codes

• 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 (this code)