ICD-10-CM
ICD-10 code for Dermatophytosis: B35.9
The ICD-10-CM index points "Dermatophytosis" to B35 (Dermatophytosis), a header that is not billable. When nothing more specific is documented, the billable code is B35.9, Dermatophytosis, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- B35.0beard, Tinea barbae and tinea capitisBillable
- B35.4body, Tinea corporisBillable
- B35.0capitis, Tinea barbae and tinea capitisBillable
- B35.4corporis, Tinea corporisBillable
- B35.8deep-seated, Other dermatophytosesBillable
- B35.8disseminated, Other dermatophytosesBillable
- B35.3foot, Tinea pedisBillable
- B35.8granulomatous, Other dermatophytosesBillable
- B35.6groin, Tinea crurisBillable
- B35.2hand, Tinea manuumBillable
- B35.1nail, Tinea unguiumBillable
- B35.6perianal (area), Tinea crurisBillable
- B35.0scalp, Tinea barbae and tinea capitisBillable
- B35.8specified NEC, Other dermatophytosesBillable
More specific codes in B35
A header groups codes and is not billed. A billable code is one you can report.
Related conditions
Related pages
- B35.9 code detailsNotes, nearby codes, CMS-HCC group
- Category B35Every code under it
- Chapter 1Certain infectious and parasitic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Dermatophytosis?
The ICD-10-CM index points "Dermatophytosis" to B35 (Dermatophytosis), a header that is not billable. When nothing more specific is documented, the billable code is B35.9, Dermatophytosis, unspecified.
Is B35.9 billable?
Yes. B35.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is B35.9 in?
Chapter 1. Certain infectious and parasitic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.