L59

Non-billable

Other disorders of skin and subcutaneous tissue related to radiation

L59 is the ICD-10-CM code for Other disorders of skin and subcutaneous tissue related to radiation. It is a non-billable category code — use a more specific child code such as L59.0 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Subcodes
3
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

What this means — in plain language

MedlinePlus · NIH

What is radiation? Radiation is energy. It travels in the form of energy waves or high-speed particles. Radiation can occur naturally or be man-made. There are two types: Non-ionizing radiation, which includes radio waves, cell phones, microwaves, infrared radiation and visible light Ionizing radiation, which includes ultraviolet radiation, radon , x-rays , and gamma rays What are the sources of radiation exposure?…

Read more about Radiation Exposure at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code L59?
L59 is the ICD-10-CM code for "Other disorders of skin and subcutaneous tissue related to radiation". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L59 a billable code?
No — L59 is a non-billable header code. Use a more specific child code (such as L59.0) for billing.
What are the subcodes of L59?
L59 has 3 more specific child codes, including L59.0, L59.8, L59.9.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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