L55.9Billable

Sunburn, unspecified

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

Related codes in category L55

L55SunburnL55.0Sunburn of first degreeYesL55.1Sunburn of second degreeYesL55.2Sunburn of third degreeYes

Frequently asked questions

What is ICD-10 code L55.9?

L55.9 is an ICD-10-CM diagnosis code for Sunburn, unspecified.

Is L55.9 a billable code?

Yes. L55.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is L55.9 in?

L55.9 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L55.9 become effective?

L55.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L55.9?

L55.9 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.