L24.9
BillableIrritant contact dermatitis, unspecified cause
Irritant contact dermatitis, unspecified cause
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Irritant contact eczema NOS
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
- •allergic contact dermatitisL23
- •dermatitis due to substances taken internallyL27
- •dermatitis of eyelidH01.1
- •diaper dermatitisL22
- •eczema of external earH60.5
Related Codes(10)
L24.0Irritant contact dermatitis due to detergents
L24.1Irritant contact dermatitis due to oils and greases
L24.2Irritant contact dermatitis due to solvents
L24.3Irritant contact dermatitis due to cosmetics
L24.4Irritant contact dermatitis due to drugs in contact w skin
L24.5Irritant contact dermatitis due to other chemical products
L24.6Irritant contact dermatitis due to food in contact with skin
L24.7Irritant contact dermatitis due to plants, except food
L24.8Irritant contact dermatitis due to other agents
L24.AIrritant cntct derm d/t friction or cntct with body fluids
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(161)
SNOMED CT
- Chronic contact dermatitis51221005
- Acute AND chronic dermatitis53107009
- Subacute dermatitis53107009
- Subacute contact dermatitis88718007
- ICD - Irritant contact dermatitis110979008
- Irritant contact dermatitis110979008
- Non-allergic contact dermatitis110979008
- Primary irritant dermatitis110979008
- Acute contact dermatitis111189002
- Peristomal skin complication236124000
- Peristomal dermatitis236125004
- Peristomal eczema236125004
- Subacute irritant contact dermatitis238580008
- Chronic irritant contact dermatitis238581007
- Cumulative irritant contact dermatitis238581007
- Wear and tear dermatitis238581007
- Perianal dermatitis275448003
- Chronic irritant contact dermatitis of hands402273004
- Cumulative irritant contact dermatitis of hands402273004
- Irritant contact dermatitis due to colostomy402280002
- Irritant contact dermatitis of hand402290005
- Irritant contact hand dermatitis402290005
- Irritant contact hand eczema402290005
- Occupational irritant contact dermatitis402584005
- Acute irritant contact dermatitis425630003
- Irritant contact dermatitis of female genitalia717724001
- Contact dermatitis of female genitalia717725000
- Contact dermatitis of external ear724635009
- Exacerbation of constitutional dermatitis due to occupation724871008
- Irritant contact dermatitis of external ear788971005
- Irritant contact dermatitis due to stoma895278009
- Contact dermatitis of male genitalia1144940005
- Irritant contact dermatitis of male genitalia1148854005
- Contact dermatitis of scalp1251372009
- Contact dermatitis of skin of scalp1251372009
- Contact dermatitis of lower leg1251373004
- Contact dermatitis of skin of lower leg1251373004
- Contact dermatitis of perianal skin1251375006
- Contact dermatitis of skin of perianal area1251375006
- Acute irritant contact dermatitis of hand1251378008
- Contact dermatitis of foot1251379000
- Exacerbation of constitutional dermatitis due to occupational exposure to skin irritant1251381003
- Contact dermatitis of neck1251625001
- Contact dermatitis of skin of neck1251625001
- Irritant contact dermatitis of scalp1254919001
- Irritant contact dermatitis of skin of scalp1254919001
- Irritant contact dermatitis of perianal skin1254921006
- Irritant contact dermatitis of skin of perianal area1254921006
- Perianal irritant contact dermatitis1254921006
- Irritant contact dermatitis of lower leg1254922004
- Irritant contact dermatitis of skin of lower leg1254922004
- Irritant contact dermatitis of neck1254923009
- Irritant contact dermatitis of skin of neck1254923009
- Irritant contact dermatitis of face1254924003
- Irritant contact dermatitis of skin of face1254924003
- Irritant contact dermatitis of foot1254925002
- Irritant contact dermatitis of skin of foot1254925002
- Complication of colostomy10491000119106
- Contact dermatitis of left hand46351000087109
- Contact dermatitis of skin of left hand46351000087109
- Contact dermatitis of right hand46361000087107
- Contact dermatitis of skin of right hand46361000087107
UMLS
- Dermatitides, IrritantC0162823
- Dermatitides, Primary IrritantC0162823
- Dermatitis irritant contactC0162823
- Dermatitis, IrritantC0162823
- Dermatitis, Primary IrritantC0162823
- ICD - Irritant contact dermatitisC0162823
- Irritant Contact DermatitisC0162823
- Irritant DermatitidesC0162823
- Irritant Dermatitides, PrimaryC0162823
- Irritant DermatitisC0162823
- Irritant Dermatitis, PrimaryC0162823
- Irritant contact dermatitisC0162823
- Irritant contact dermatitis (disorder)C0162823
- Irritant contact dermatitis, unspecified causeC0162823
- Non-allergic contact dermatitisC0162823
- Primary Irritant DermatitidesC0162823
- Primary Irritant DermatitisC0162823
- Primary irritant dermatitisC0162823
- dermatitis contact irritantC0162823
- dermatitis irritantsC0162823
- irritant contact dermatitisC0162823
- irritant dermatitisC0162823
- primary irritant dermatitisC0162823
- Irritant contact eczema NOSC1393799
Clinical Terms
- Chronic contact dermatitis
- Subacute irritant contact dermatitis
- Wear and tear dermatitis
- Perianal dermatitis
- ICD - Irritant contact dermatitis
- Acute irritant contact dermatitis
- Occupational irritant contact dermatitis
- Contact dermatitis of left hand
- Irritant contact hand dermatitis
- Contact dermatitis of male genitalia
- Dermatitis irritant contact
- Irritant contact dermatitis due to stoma
- Primary irritant dermatitis
- Dermatitis, Primary Irritant
- Irritant Dermatitis, Primary
- Acute AND chronic dermatitis
- irritant dermatitis
- Irritant contact dermatitis of foot
- Contact dermatitis of skin of right hand
- Perianal irritant contact dermatitis
- Irritant contact dermatitis of scalp
- Dermatitis, Irritant
- Subacute contact dermatitis
- Contact dermatitis of skin of lower leg
- Contact dermatitis of foot
- Irritant contact hand eczema
- Irritant Dermatitides
- Irritant contact dermatitis of skin of foot
- Cumulative irritant contact dermatitis of hands
- Dermatitides, Irritant
- Irritant contact dermatitis of perianal skin
- Contact dermatitis of lower leg
- Irritant contact dermatitis of hand
- Exacerbation of constitutional dermatitis due to occupation
- Complication of colostomy
- Irritant contact dermatitis of male genitalia
- Irritant contact dermatitis (disorder)
- Irritant contact dermatitis of neck
- Peristomal eczema
- Peristomal skin complication
- Chronic irritant contact dermatitis
- Acute contact dermatitis
- Irritant Dermatitides, Primary
- Irritant contact eczema NOS
- Peristomal dermatitis
- Irritant contact dermatitis of female genitalia
- Acute irritant contact dermatitis of hand
- Irritant contact dermatitis of skin of perianal area
- Non-allergic contact dermatitis
- Chronic irritant contact dermatitis of hands
- Primary Irritant Dermatitides
- Contact dermatitis of perianal skin
- Irritant contact dermatitis of lower leg
- Dermatitides, Primary Irritant
- Irritant contact dermatitis of face
- Contact dermatitis of skin of left hand
- Contact dermatitis of female genitalia
- Contact dermatitis of skin of perianal area
- dermatitis contact irritant
- Cumulative irritant contact dermatitis
- Irritant contact dermatitis of skin of scalp
- dermatitis irritants
- Contact dermatitis of neck
- Contact dermatitis of scalp
- Contact dermatitis of skin of neck
- Contact dermatitis of external ear
- Subacute dermatitis
- Contact dermatitis of right hand
- Contact dermatitis of skin of scalp
- Irritant contact dermatitis of skin of neck
- Irritant contact dermatitis of skin of face
- Irritant contact dermatitis of skin of lower leg
- Irritant contact dermatitis of external ear
- Irritant contact dermatitis due to colostomy
- Exacerbation of constitutional dermatitis due to occupational exposure to skin irritant
Frequently Asked Questions
What is the ICD-10 code for irritant contact dermatitis, unspecified cause?
The ICD-10-CM code for irritant contact dermatitis, unspecified cause is L24.9. The full clinical description is "Irritant contact dermatitis, unspecified cause". L24.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L24.9 mean?
ICD-10-CM code L24.9 represents “Irritant contact dermatitis, unspecified cause”. 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 L24.9 a billable code?
Yes, L24.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L24.9 in?
L24.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L24.9?
L24.9 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 SNOMED CT codes does L24.9 map to?
L24.9 maps to 39 SNOMED CT concepts: 53107009, 111189002, 425630003, 1251378008, 51221005, and 34 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L24.9?
L24.9 is linked to 2 UMLS Concept Unique Identifiers: C0162823, C1393799. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L24.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like irritant contact dermatitis, unspecified cause 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 L24.9?
L24.9 maps to the ICD-11 code: EK02.Z (Irritant 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.