ICD-10-CM
ICD-10 code for Atopic dermatitis: L20.9
The CDC title for "Atopic dermatitis" is L20 (Atopic dermatitis), a header that is not billable. When nothing more specific is documented, the billable code is L20.9, Atopic dermatitis, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under L20, then other CDC titles that name atopic dermatitis
A header groups codes and is not billed. A billable code is one you can report.
- L20Atopic dermatitisHeader
- L20.0Besnier's prurigoBillable
- L20.8Other atopic dermatitisHeader
- L20.81Atopic neurodermatitisBillable
- L20.82Flexural eczemaBillable
- L20.83Infantile (acute) (chronic) eczemaBillable
- L20.84Intrinsic (allergic) eczemaBillable
- L20.89Other atopic dermatitisBillable
- L20.9Atopic dermatitis, unspecifiedBillable
Related conditions
Related pages
- L20.9 code detailsNotes, nearby codes, CMS-HCC group
- Category L20Every code under it
- Chapter 12Diseases of the skin and subcutaneous tissue
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Atopic dermatitis?
The CDC title for "Atopic dermatitis" is L20 (Atopic dermatitis), a header that is not billable. When nothing more specific is documented, the billable code is L20.9, Atopic dermatitis, unspecified.
Is L20.9 billable?
Yes. L20.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is L20.9 in?
Chapter 12. Diseases of the skin and subcutaneous tissue.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.