L57 – Skin changes due to chronic exposure to nonionizing radiation

ICD-10-CM 2027 diagnosis code · Radiation-related disorders of the skin and subcutaneous tissue

Non-billable header

ICD-10-CM code L57
Code
L57 (claims format: L57)
Description
Skin changes due to chronic exposure to nonionizing radiation
Short description
Skin changes due to chronic expsr to nonionizing radiation
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block
L55-L59 Radiation-related disorders of the skin and subcutaneous tissue

Billable codes under L57

L57 is a header code and cannot be used on claims. Choose the most specific code:

Notes for L57

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

Frequently asked questions

What is ICD-10 code L57?

L57 is the ICD-10-CM code for skin changes due to chronic exposure to nonionizing radiation, in the block L55-L59 (Radiation-related disorders of the skin and subcutaneous tissue).

Is L57 a billable code?

No. L57 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.