Is L20 a billable code?
No. L20 is a header code that groups 7 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
L20: Atopic dermatitis
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
L20 groups related diagnoses under atopic dermatitis. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
L20 questions
What does L20 mean?
L20 is the ICD-10-CM code for Atopic dermatitis. 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.