L27.9
BillableDermatitis due to unspecified substance taken internally
Dermatitis due to unspecified substance taken internally
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
- •adverse food reaction, except dermatitisT78.0-T78.1
- •contact dermatitisL23-L25
- •drug photoallergic responseL56.1
- •drug phototoxic responseL56.0
- •urticariaL50
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(23)
SNOMED CT
- Eczema intertrigo58759008
- Erythema intertrigo58759008
- Intertriginous dermatitis58759008
- Intertrigo58759008
- Baboon syndrome277804000
- Symmetrical drug-related intertriginous and flexural exanthema277804000
- Localised dermatitis caused by substance taken via oral route1264306007
- Localized dermatitis caused by substance taken via oral route1264306007
- Dermatitis caused by ingested substance35151000087100
- Dermatitis caused by substance taken via oral route35151000087100
UMLS
Clinical Terms
- Dermatitis caused by ingested substance
- Dermatitis caused by substance taken via oral route
- Symmetrical drug-related intertriginous and flexural exanthema
- Baboon syndrome
- Localized dermatitis caused by substance taken via oral route
- Intertriginous dermatitis
- Intertrigo
- Erythema intertrigo
- Localised dermatitis caused by substance taken via oral route
- Eczema intertrigo
Frequently Asked Questions
What is the ICD-10 code for dermatitis due to unspecified substance taken internally?
The ICD-10-CM code for dermatitis due to unspecified substance taken internally is L27.9. The full clinical description is "Dermatitis due to unspecified substance taken internally". L27.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L27.9 mean?
ICD-10-CM code L27.9 represents “Dermatitis due to unspecified substance taken internally”. 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 L27.9 a billable code?
Yes, L27.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L27.9 in?
L27.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L27.9?
L27.9 has Excludes1 notes indicating codes that cannot be used together with it, including: allergy NOS (T78.40).
What SNOMED CT codes does L27.9 map to?
L27.9 maps to 4 SNOMED CT concepts: 277804000, 35151000087100, 58759008, 1264306007. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L27.9?
L27.9 is linked to 1 UMLS Concept Unique Identifier: C0157718. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L27.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like dermatitis due to unspecified substance taken internally 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 L27.9?
L27.9 maps to the ICD-11 code: EA8Z (Dermatitis or 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.