ICD-10-CM 2027
ICD-10 code for skin weather
From the official ICD-10-CM alphabetic index entry “Weather, weathered › skin”. Page updated September 29, 2026.
About coding skin weather
The ICD-10-CM code for skin weather is L57.8 (Other skin changes due to chronic exposure to nonionizing radiation).
Within L57, choose L57.8 (Other skin changes due to chronic exposure to nonionizing radiation) only when documentation doesn't support a more specific option: actinic keratosis (L57.0), actinic reticuloid (L57.1), cutis rhomboidalis nuchae (L57.2), Poikiloderma of Civatte (L57.3), cutis laxa senilis (L57.4), actinic granuloma (L57.5) and unspecified (L57.9).
Use an additional code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about skin weather ICD-10 codes
What is the ICD-10 code for skin weather?
- L57.8 — Other skin changes due to chronic exposure to nonionizing radiation.
Is L57.8 billable?
- Yes. L57.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L57.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L57.8 as a principal diagnosis.
Is L57.8 a CC or MCC?
- No. L57.8 is neither a CC nor an MCC under MS-DRG v44.0.