B35.1 is a billable ICD-10 code used to specify a medical diagnosis of tinea unguium. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Distal and lateral subungual onychomycosis
- Endonyx onychomycosis
- Fusarium infection
- Infection caused by Scytalidium
- Infection of toenail
- Nail bed infection
- Nail bed infection
- Onycholysis due to fungal infection of nail
- Onychomycosis caused by Acremonium
- Onychomycosis caused by Neocucurbitaria unguis-hominis
- Onychomycosis caused by Neoscytalidium dimidiatum
- Onychomycosis due to Botryodiplodia theobromae
- Onychomycosis due to Curvularia lunata
- Onychomycosis due to dermatophyte
- Onychomycosis due to Epidermophyton floccosum
- Onychomycosis due to Fusarium
- Onychomycosis due to mold infection
- Onychomycosis due to Onychocola canadensis
- Onychomycosis due to opportunistic infection
- Onychomycosis due to Pseudeurotium ovale
- Onychomycosis due to Scopulariopsis brevicaulis
- Onychomycosis due to Scytalidium hyalinum
- Onychomycosis due to Trichophyton interdigitale
- Onychomycosis due to Trichophyton mentagrophytes
- Onychomycosis due to Trichophyton rubrum
- Onychomycosis due to Trichophyton schoenleinii
- Onychomycosis due to Trichophyton soudanense
- Onychomycosis due to Trichophyton tonsurans
- Onychomycosis due to Trichophyton violaceum
- Onychomycosis of nail of digit
- Onychomycosis of toenails
- Proximal subungual onychomycosis
- Superficial white onychomycosis
- Tinea due to Epidermophyton floccosum
- Tinea due to Trichophyton mentagrophytes variant interdigitale
- Tinea due to Trichophyton rubrum
- Tinea due to Trichophyton soudanense
- Tinea due to Trichophyton tonsurans
- Tinea due to Trichophyton violaceum
- Total dystrophic onychomycosis
- Onycholysis-. separation of nail plate from the underlying nail bed. it can be a sign of skin disease, infection (such as onychomycosis) or tissue injury.
- Onychomycosis-. a fungal infection of the nail, usually caused by dermatophytes; yeasts; or nondermatophyte molds.
- Onycholysis-. a nail condition characterized by spontaneous separation of a fingernail or toenail from its nail bed.
Tabular List of Diseases and Injuries
The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:
Inclusion TermsInclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Dermatophytic onychia
- Dermatophytosis of nail
- Ringworm of nails
Index to Diseases and Injuries References
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:
- - Dermatophytosis (epidermophyton) (infection) (Microsporum) (tinea) (Trichophyton) - B35.9
- - nail - B35.1
- - Infection, infected, infective (opportunistic) - B99.9
- - finger (skin) - L08.9
- - fungus NOS - B49
- - nail (chronic)
- - toe (skin) - L08.9
- - Onychomycosis (finger) (toe) - B35.1
Convert to ICD-9 Code
|Source ICD-10 Code||Target ICD-9 Code|
|B35.1||110.1 - Dermatophytosis of nail|
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.
Symptoms depend on the affected area of the body:
- Ringworm is a red skin rash that forms a ring around normal-looking skin. A worm doesn't cause it.
- Scalp ringworm causes itchy, red patches on your head. It can leave bald spots. It usually affects children.
- Athlete's foot causes itching, burning and cracked skin between your toes.
- Jock itch causes an itchy, burning rash in your groin area.
Over-the-counter creams and powders will get rid of many tinea infections, particularly athlete's foot and jock itch. Other cases require prescription medicine.
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- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)