Is L57 a billable ICD-10-CM code?

No. L57 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does L57 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Radiation-related disorders of the skin and subcutaneous tissue (L55-L59).

L57

L57 — Skin changes due to chronic exposure to nonionizing radiation

Non-billable headerICD-10-CM

L57 is a non-billable header ICD-10-CM code for skin changes due to chronic exposure to nonionizing radiation. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

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

Risk adjustment

L57 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead L57

8 child codes. Green means billable.

Questions about L57

Is L57 a billable ICD-10-CM code?: No. L57 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does L57 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Radiation-related disorders of the skin and subcutaneous tissue (L55-L59).