B35
Non-billableDermatophytosis
Dermatophytosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- favus
- infections due to species of Epidermophyton, Micro-sporum and Trichophyton
- •tinea, any type except those inB36
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •hypersensitivity pneumonitis due to organic dustJ67
- •mycosis fungoidesC84.0
Use Additional Code
Additional codes that should follow this code
Child Codes (9)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(16)
UMLS
- DermatophytosisC0011636
- Dermatophytosis (disorder)C0011636
- Dermatophytosis NOSC0011636
- Dermatophytosis of unspecified siteC0011636
- Dermatophytosis, unspecifiedC0011636
- dermatophytosesC0011636
- dermatophytosisC0011636
- FavusC0040254
- Favus capitisC0040254
- Tinea FavosaC0040254
- Tinea favosaC0040254
- Tinea favosa (disorder)C0040254
- favusC0040254
- tinea favosaC0040254
- infections due to species of Epidermophyton, Micro-sporum and TrichophytonC4290052
- tinea, any type except those in B36.-C4290053
Frequently Asked Questions
What is the ICD-10 code for dermatophytosis?
The ICD-10-CM code for dermatophytosis is B35. The full clinical description is "Dermatophytosis". B35 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code B35 mean?
ICD-10-CM code B35 represents “Dermatophytosis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is B35 a billable code?
No, B35 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under B35.
What chapter is B35 in?
B35 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B35?
B35 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under B35?
B35 has 9 child codes, including: B35.0 (Tinea barbae and tinea capitis), B35.1 (Tinea unguium), B35.2 (Tinea manuum), B35.3 (Tinea pedis), and 5 more.
Are additional codes required with B35?
Yes, when using B35, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B35?
B35 is linked to 4 UMLS Concept Unique Identifiers: C0011636, C0040254, C4290052, C4290053. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B35 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like dermatophytosis 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 B35?
B35 maps to the ICD-11 code: 1F28.Z (Dermatophytosis, 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.