2027 ICD-10-CM Diagnosis Code B35.4Tinea corporis
ICD-10-CM Codes›A00–B99›B35-B49›B35
- Billable — Valid for Submission
- Not Chronic
B35.4 is a billable ICD-10-CM diagnosis code for tinea corporis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Fungal infections.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Tinea caused by Epidermophyton floccosum
- Tinea caused by Lophophyton gallinae
- Tinea caused by Microsporum audouinii
- Tinea caused by Microsporum canis variant canis
- Tinea caused by Microsporum equinum
- Tinea caused by Microsporum ferrugineum
- Tinea caused by Microsporum nanum
- Tinea caused by Nannizzia fulva
- Tinea caused by Nannizzia gypsea
- Tinea caused by Trichophyton equinum
- Tinea caused by Trichophyton mentagrophytes
- Tinea caused by Trichophyton mentagrophytes variant erinacei
- Tinea caused by Trichophyton persicolor
- Tinea caused by Trichophyton rubrum
- Tinea caused by Trichophyton simii
- Tinea caused by Trichophyton soudanense
- Tinea caused by Trichophyton tonsurans
- Tinea caused by Trichophyton verrucosum
- Tinea caused by Trichophyton violaceum
- Tinea caused by Trichophyton yaoundei
- Tinea corporis
- Tinea corporis caused by Epidermophyton floccosum
- Tinea corporis caused by Lophophyton gallinae
- Tinea corporis caused by Microsporum
- Tinea corporis caused by Microsporum audouinii
- Tinea corporis caused by Microsporum canis variant canis
- Tinea corporis caused by Microsporum equinum
- Tinea corporis caused by Microsporum ferrugineum
- Tinea corporis caused by Microsporum nanum
- Tinea corporis caused by Nannizzia fulva
- Tinea corporis caused by Nannizzia gypsea
- Tinea corporis caused by Nannizzia persicolor
- Tinea corporis caused by Trichophyton
- Tinea corporis caused by Trichophyton equinum
- Tinea corporis caused by Trichophyton equinum variant equinum
- Tinea corporis caused by Trichophyton mentagrophytes
- Tinea corporis caused by Trichophyton mentagrophytes variant erinacei
- Tinea corporis caused by Trichophyton rubrum
- Tinea corporis caused by Trichophyton schoenleinii
- Tinea corporis caused by Trichophyton simii
- Tinea corporis caused by Trichophyton soudanense
- Tinea corporis caused by Trichophyton tonsurans variant tonsurans
- Tinea corporis caused by Trichophyton verrucosum
- Tinea corporis caused by Trichophyton violaceum
- Tinea corporis caused by Trichophyton yaoundei
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B35.4: its own notes plus those printed at B35, block B35-B49, and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- favus
- infections due to species of Epidermophyton, Micro-sporum and Trichophyton
- tinea, any type except those in B36.-
- diseases generally recognized as communicable or transmissible
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Ringworm of the body
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Tinea
fungal infection of keratinized tissues such as hair, skin and nails. the main causative fungi include microsporum; trichophyton; and epidermophyton.
Patient EducationClinical
Tinea Infections
Tinea is the name of a group of diseases caused by a fungus. Types of tinea include ringworm, athlete's foot and jock itch. These infections are usually not serious, but they can be uncomfortable. You can get them by touching an infected person, from damp surfaces such as shower floors, or even from a pet.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B35.4 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B35.4Overview
What is the ICD-10 code for tinea corporis?
The ICD-10-CM code for tinea corporis is B35.4 (sometimes written as B354). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B35.4 (Dermatophytosis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report tinea corporis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B35.4 group to?
When tinea corporis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of B35.4?
Under the General Equivalence Mappings, tinea corporis converts to ICD-9-CM 110.5 (dermatophytosis of body). The mapping is approximate, so confirm the match fits the documentation.
