Is L99 a billable code?
Yes. L99 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
L99: Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
L99 is a billable ICD-10-CM diagnosis code for other disorders of skin and subcutaneous tissue in diseases classified elsewhere. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with L99 already added.Good Faith EstimateStart a cost estimate with L99 already added.CMS-1500 Claim FormFill a claim form with L99 in box 21.
L99 questions
What does L99 mean?
L99 is the ICD-10-CM code for Other disorders of skin and subcutaneous tissue in diseases classified elsewhere. It is in chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.