L99Billable
Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
Short description: Oth disorders of skin, subcu in diseases classd elswhr
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L99
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code L99?
L99 is an ICD-10-CM diagnosis code for Other disorders of skin and subcutaneous tissue in diseases classified elsewhere.
Is L99 a billable code?
Yes. L99 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is L99 in?
L99 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L99 become effective?
L99 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.