ICD-10-CM > L00-L99 > L55-L59 > L57 L57 Skin changes due to chronic exposure to nonionizing radiation Non-Billable/Non-Specific Use Additional code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90) Codes L57.0Actinic keratosisL57.1Actinic reticuloidL57.2Cutis rhomboidalis nuchaeL57.3Poikiloderma of CivatteL57.4Cutis laxa senilisL57.5Actinic granulomaL57.8Other skin changes due to chronic exposure to nonionizing radiationL57.9Skin changes due to chronic exposure to nonionizing radiation, unspecified