D04.2
Non-billableCa in situ skin of ear and external auricular canal
Carcinoma in situ of skin of ear and external auricular canal
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Chapter
2: NeoplasmsBlock
D00-D09
Parent Code
D04Child Codes
3
ICD-11 Mapping
1 equivalentCoding Notes
Includes
Conditions included under this code
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Child Codes (3)
Related Codes(9)
D04.0Carcinoma in situ of skin of lip
D04.1Carcinoma in situ of skin of eyelid, including canthus
D04.3Carcinoma in situ of skin of other and unsp parts of face
D04.4Carcinoma in situ of skin of scalp and neck
D04.5Carcinoma in situ of skin of trunk
D04.6Carcinoma in situ of skin of upper limb, including shoulder
D04.7Carcinoma in situ of skin of lower limb, including hip
D04.8Carcinoma in situ of skin of other sites
D04.9Carcinoma in situ of skin, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(5)
Frequently Asked Questions
What is the ICD-10 code for ca in situ skin of ear and external auricular canal?
The ICD-10-CM code for ca in situ skin of ear and external auricular canal is D04.2. The full clinical description is "Carcinoma in situ of skin of ear and external auricular canal". D04.2 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code D04.2 mean?
ICD-10-CM code D04.2 represents “Carcinoma in situ of skin of ear and external auricular canal”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.
Is D04.2 a billable code?
No, D04.2 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 D04.2.
What chapter is D04.2 in?
D04.2 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with D04.2?
D04.2 has Excludes1 notes indicating codes that cannot be used together with it, including: erythroplasia of Queyrat (penis) NOS (D07.4); melanoma in situ (D03.-).
What are the subcategories under D04.2?
D04.2 has 3 child codes, including: D04.20 (Ca in situ skin of unsp ear and external auricular canal), D04.21 (Ca in situ skin of right ear and external auricular canal), D04.22 (Ca in situ skin of left ear and external auricular canal).
What are the UMLS CUIs for D04.2?
D04.2 is linked to 1 UMLS Concept Unique Identifier: C0347139. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does D04.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like ca in situ skin of ear and external auricular canal 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 D04.2?
D04.2 maps to the ICD-11 code: 2E64.Z (Carcinoma in situ of skin, 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.