L20
Non-billableAtopic dermatitis
Atopic dermatitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •chronic (childhood) granulomatous diseaseD71
- •dermatitis gangrenosaL08.0
- •dermatitis herpetiformisL13.0
- •dry skin dermatitisL85.3
- •factitial dermatitisL98.1
- •perioral dermatitisL71.0
- •radiation-related disorders of the skin and subcutaneous tissueL55-L59
- •stasis dermatitisI87.2
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(35)
UMLS
- AD - Atopic dermatitisC0011615
- ATODC0011615
- Allergic dermatitisC0011615
- Allergic eczemaC0011615
- Atopic DermatitisC0011615
- Atopic EczemaC0011615
- Atopic NeurodermatitisC0011615
- Atopic dermatitisC0011615
- Atopic dermatitis (disorder)C0011615
- Atopic dermatitis, chronicC0011615
- Atopic dermatitis, unspecifiedC0011615
- Atopic eczemaC0011615
- Atopic neurodermatitisC0011615
- Atopic neurodermatitis (disorder)C0011615
- Constitutional eczemaC0011615
- DERMATITIS, ATOPICC0011615
- Dermatitis allergicC0011615
- Dermatitis atopicC0011615
- Dermatitis, AtopicC0011615
- Disseminated NeurodermatitisC0011615
- Disseminated neurodermatitisC0011615
- ECZEMA, ATOPICC0011615
- Eczema allergicC0011615
- Eczema atopicC0011615
- Eczema, AtopicC0011615
- Neurodermatitis, AtopicC0011615
- Neurodermatitis, DisseminatedC0011615
- allergic dermatitisC0011615
- allergic eczemaC0011615
- atopic dermatitisC0011615
- atopic eczemaC0011615
- atopic neurodermatitisC0011615
- besnier's prurigoC0011615
- constitutional eczemaC0011615
- endogenous eczemaC0011615
Frequently Asked Questions
What is the ICD-10 code for atopic dermatitis?
The ICD-10-CM code for atopic dermatitis is L20. The full clinical description is "Atopic dermatitis". L20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L20 mean?
ICD-10-CM code L20 represents “Atopic dermatitis”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is L20 a billable code?
No, L20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under L20.
What chapter is L20 in?
L20 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What are the subcategories under L20?
L20 has 3 child codes, including: L20.0 (Besnier's prurigo), L20.8 (Other atopic dermatitis), L20.9 (Atopic dermatitis, unspecified).
What are the UMLS CUIs for L20?
L20 is linked to 1 UMLS Concept Unique Identifier: C0011615. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L20 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like atopic dermatitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L20?
L20 maps to the ICD-11 code: EA80.Z (Atopic eczema, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.