L13Header code — not billable
Other bullous disorders
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L13
- Effective date
- October 1, 2026
Related codes in category L13
Frequently asked questions
What is ICD-10 code L13?
L13 is an ICD-10-CM diagnosis code for Other bullous disorders.
Is L13 a billable code?
No. L13 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 L13 in?
L13 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L13 become effective?
L13 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to L13?
L13 belongs to category L13, 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.