L55Header code — not billable

Sunburn

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L55
Effective date
October 1, 2026

Related codes in category L55

L55.0Sunburn of first degreeYesL55.1Sunburn of second degreeYesL55.2Sunburn of third degreeYesL55.9Sunburn, unspecifiedYes

Frequently asked questions

What is ICD-10 code L55?

L55 is an ICD-10-CM diagnosis code for Sunburn.

Is L55 a billable code?

No. L55 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 L55 in?

L55 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L55 become effective?

L55 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L55?

L55 belongs to category L55, which includes 4 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.