L20.9
BillableAtopic dermatitis, unspecified
Atopic dermatitis, unspecified
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
Related Codes(2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(149)
SNOMED CT
- AD - Atopic dermatitis24079001
- Atopic dermatitis24079001
- Atopic eczema24079001
- Constitutional eczema24079001
- Disseminated neurodermatitis24079001
- Pustular eczema123700004
- Pustular eczematous dermatitis123700004
- Atopic dermatitis of bilateral hands238541000
- Atopic dermatitis of hands238541000
- Atopic eczema of hands238541000
- Constitutional eczema of bilateral hands238541000
- Eczema of face300924008
- Facial eczema300924008
- Pithomycotoxicosis300924008
- Infected eczema400079002
- Infective eczema400079002
- Generalised atopic dermatitis402186001
- Generalised atopic eczema402186001
- Generalized atopic dermatitis402186001
- Generalized atopic eczema402186001
- Atopic dermatitis of scalp402191000
- Atopic eczema of scalp402191000
- Atopic dermatitis of face402192007
- Atopic eczema of face402192007
- Atopic dermatitis of eyelid402193002
- Atopic dermatitis of eyelids402193002
- Atopic eczema of eyelids402193002
- Cheilitis due to atopic dermatitis402194008
- Cheilitis due to atopic eczema402194008
- Childhood atopic dermatitis402196005
- Childhood atopic eczema402196005
- Adult atopic dermatitis402197001
- Adult atopic eczema402197001
- Adult atopic dermatitis commencing in adult life402200000
- Adult atopic eczema commencing in adult life402200000
- Impetiginized atopic dermatitis402201001
- Infected atopic dermatitis402201001
- Dermatitis infectiosa eczematoides414492009
- Infectious eczematoid dermatitis414492009
- Infective eczematoid dermatitis414492009
- Exacerbation of atopic dermatitis due to exposure to contact allergen1251383000
- Exacerbation of constitutional dermatitis due to exposure to contact allergen1251383000
- Childhood impetiginised atopic dermatitis1251408006
- Childhood impetiginized atopic dermatitis1251408006
- Adult generalised atopic dermatitis1251434003
- Adult generalised atopic eczema1251434003
- Adult generalized atopic dermatitis1251434003
- Adult generalized atopic eczema1251434003
- Eczema of scalp13201000132100
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
Clinical Terms
- Exacerbation of atopic dermatitis due to exposure to contact allergen
- Pustular eczema
- Atopic Eczema
- Allergic eczema
- ECZEMA, ATOPIC
- Adult atopic eczema commencing in adult life
- Facial eczema
- besnier's prurigo
- Impetiginized atopic dermatitis
- Generalized atopic eczema
- Atopic dermatitis (disorder)
- constitutional eczema
- Atopic eczema of scalp
- Infective eczematoid dermatitis
- Eczema of scalp
- allergic dermatitis
- Dermatitis atopic
- endogenous eczema
- Infected eczema
- Cheilitis due to atopic dermatitis
- Atopic dermatitis of eyelid
- Atopic dermatitis of face
- Adult generalised atopic eczema
- Exacerbation of constitutional dermatitis due to exposure to contact allergen
- Dermatitis, Atopic
- Dermatitis infectiosa eczematoides
- Atopic dermatitis of eyelids
- atopic neurodermatitis
- Atopic neurodermatitis (disorder)
- Cheilitis due to atopic eczema
- Atopic dermatitis, chronic
- Adult generalized atopic dermatitis
- Atopic eczema of hands
- Generalised atopic dermatitis
- Childhood atopic dermatitis
- Adult atopic eczema
- Pithomycotoxicosis
- Atopic eczema of eyelids
- Disseminated Neurodermatitis
- Generalised atopic eczema
- AD - Atopic dermatitis
- ATOD
- Constitutional eczema of bilateral hands
- Childhood atopic eczema
- Eczema atopic
- Pustular eczematous dermatitis
- Dermatitis allergic
- Infected atopic dermatitis
- Neurodermatitis, Disseminated
- Childhood impetiginized atopic dermatitis
- Infectious eczematoid dermatitis
- Childhood impetiginised atopic dermatitis
- Adult generalised atopic dermatitis
- Atopic dermatitis of bilateral hands
- Atopic dermatitis of scalp
- Adult atopic dermatitis
- Infective eczema
- Atopic dermatitis of hands
- Eczema of face
- Adult generalized atopic eczema
- Atopic eczema of face
- Neurodermatitis, Atopic
- Generalized atopic dermatitis
- Eczema allergic
- Adult atopic dermatitis commencing in adult life
Frequently Asked Questions
What is the ICD-10 code for atopic dermatitis, unspecified?
The ICD-10-CM code for atopic dermatitis, unspecified is L20.9. The full clinical description is "Atopic dermatitis, unspecified". L20.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L20.9 mean?
ICD-10-CM code L20.9 represents “Atopic dermatitis, unspecified”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a billable/specific code that can be used on a claim.
Is L20.9 a billable code?
Yes, L20.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L20.9 in?
L20.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What SNOMED CT codes does L20.9 map to?
L20.9 maps to 19 SNOMED CT concepts: 24079001, 402197001, 402200000, 1251434003, 238541000, and 14 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L20.9?
L20.9 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 L20.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like atopic dermatitis, unspecified 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 L20.9?
L20.9 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.