L23
Non-billableAllergic contact dermatitis
Allergic contact dermatitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
- •dermatitis due to substances taken internallyL27
- •dermatitis of eyelidH01.1
- •diaper dermatitisL22
- •eczema of external earH60.5
- •irritant contact dermatitisL24
Child Codes (10)
L23.0Allergic contact dermatitis due to metals
L23.1Allergic contact dermatitis due to adhesives
L23.2Allergic contact dermatitis due to cosmetics
L23.3Allergic contact dermatitis due to drugs in contact w skin
L23.4Allergic contact dermatitis due to dyes
L23.5Allergic contact dermatitis due to other chemical products
L23.6Allergic contact dermatitis due to food in contact w skin
L23.7Allergic contact dermatitis due to plants, except food
L23.8Allergic contact dermatitis due to other agents
L23.9Allergic contact dermatitis, unspecified cause
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(20)
UMLS
- ACD - Allergic contact dermatitisC0162820
- Allergic Contact DermatitidesC0162820
- Allergic Contact DermatitisC0162820
- Allergic Eczematous DermatitidesC0162820
- Allergic Eczematous DermatitisC0162820
- Allergic contact dermatitisC0162820
- Allergic contact dermatitis (disorder)C0162820
- Allergic contact dermatitis, unspecified causeC0162820
- Contact Dermatitides, AllergicC0162820
- Contact Dermatitis, AllergicC0162820
- Dermatitides, Allergic ContactC0162820
- Dermatitides, Allergic EczematousC0162820
- Dermatitis, Allergic ContactC0162820
- Dermatitis, Allergic EczematousC0162820
- Dermatitis, Contact, AllergicC0162820
- Eczematous Dermatitides, AllergicC0162820
- Eczematous Dermatitis, AllergicC0162820
- allergic contact dermatitisC0162820
- contact allergic dermatitisC0162820
- dermatitis contact allergicC0162820
Frequently Asked Questions
What is the ICD-10 code for allergic contact dermatitis?
The ICD-10-CM code for allergic contact dermatitis is L23. The full clinical description is "Allergic contact dermatitis". L23 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L23 mean?
ICD-10-CM code L23 represents “Allergic contact 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 L23 a billable code?
No, L23 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under L23.
What chapter is L23 in?
L23 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L23?
L23 has Excludes1 notes indicating codes that cannot be used together with it, including: allergy NOS (T78.40); contact dermatitis NOS (L25.9); dermatitis NOS (L30.9).
What are the subcategories under L23?
L23 has 10 child codes, including: L23.0 (Allergic contact dermatitis due to metals), L23.1 (Allergic contact dermatitis due to adhesives), L23.2 (Allergic contact dermatitis due to cosmetics), L23.3 (Allergic contact dermatitis due to drugs in contact w skin), and 6 more.
What are the UMLS CUIs for L23?
L23 is linked to 1 UMLS Concept Unique Identifier: C0162820. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L23 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like allergic contact 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 L23?
L23 maps to the ICD-11 code: EK00.Z (Allergic contact dermatitis, 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.