L57.9
✓ Billable
Skin changes due to chronic exposure to nonionizing radiation, unspecified
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L57.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L57.9?
ICD-10-CM code L57.9 represents Skin changes due to chronic exposure to nonionizing radiation, unspecified. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L57.9 billable?
Yes. L57.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is L57.9 in?
L57.9 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
Related codes in the L57 category
L57
Skin changes due to chronic exposure to nonionizing radiation
Non-billable
L57.0
Actinic keratosis
Billable
L57.1
Actinic reticuloid
Billable
L57.2
Cutis rhomboidalis nuchae
Billable
L57.3
Poikiloderma of Civatte
Billable
L57.4
Cutis laxa senilis
Billable
L57.5
Actinic granuloma
Billable
L57.8
Other skin changes due to chronic exposure to nonionizing radiation
Billable
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