L59Header code — not billable

Other disorders of skin and subcutaneous tissue related to radiation

Short description: Oth disorders of skin, subcu related to radiation

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L59
Effective date
October 1, 2026

Related codes in category L59

L59.0Erythema ab igne [dermatitis ab igne]YesL59.8Oth disrd of the skin, subcu related to radiationYesL59.9Disorder of the skin, subcu related to radiation, unspYes

Frequently asked questions

What is ICD-10 code L59?

L59 is an ICD-10-CM diagnosis code for Other disorders of skin and subcutaneous tissue related to radiation.

Is L59 a billable code?

No. L59 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is L59 in?

L59 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L59 become effective?

L59 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L59?

L59 belongs to category L59, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.