B35.1
BillableTinea unguium
Tinea unguium
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Dermatophytic onychia
- Dermatophytosis of nail
- Onychomycosis
- Ringworm of nails
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
Related Codes(8)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(192)
SNOMED CT
- Onychomycosis caused by Trichophyton mentagrophytes23549005
- Onychomycosis caused by Trichophyton rubrum56922006
- Fusarium infection64250002
- Onychomycosis caused by Epidermophyton floccosum68543009
- Detachment of nail plate75789001
- Onycholysis75789001
- Separation of nail plate75789001
- Infected nail bed95340003
- Nail bed infection95340003
- Scytalidium hyalinum infection of skin238438006
- Dermatophytosis caused by Trichophyton rubrum371042002
- Tinea caused by Trichophyton rubrum371042002
- Dermatophytosis of nail402134005
- Onychomycosis caused by dermatophyte402134005
- Onychomycosis due to dermatophyte402134005
- Tinea of nail402134005
- Tinea unguium402134005
- Onychomycosis due to opportunistic infection402137003
- Onychomycosis of toenails403059006
- Onychomycosis caused by Trichophyton interdigitale403060001
- Onychomycosis caused by Trichophyton mentagrophytes variant interdigitale403060001
- Tinea unguium caused by Trichophyton interdigitale403060001
- Onychomycosis caused by Trichophyton schoenleinii403061002
- Tinea unguium caused by Trichophyton schoenleinii403061002
- Onychomycosis caused by Trichophyton soudanense403062009
- Tinea unguium caused by Trichophyton soudanense403062009
- Onychomycosis caused by Trichophyton tonsurans403063004
- Onychomycosis caused by Trichophyton tonsurans variant tonsurans403063004
- Tinea unguium caused by Trichophyton tonsurans403063004
- Onychomycosis caused by Trichophyton violaceum403064005
- Tinea unguium caused by Trichophyton violaceum403064005
- Epidermophyton floccosum infection403065006
- Epidermophytosis403065006
- Tinea caused by Epidermophyton floccosum403065006
- Tinea caused by Trichophyton interdigitale403072007
- Tinea caused by Trichophyton mentagrophytes variant interdigitale403072007
- Tinea caused by Trichophyton soudanense403083003
- Tinea caused by Trichophyton tonsurans403084009
- Tinea caused by Trichophyton violaceum403086006
- Onychomycosis caused by Acremonium403092000
- Onychomycosis caused by Botryodiplodia theobromae403094004
- Onychomycosis caused by Lasiodiplodia theobromae403094004
- Onychomycosis caused by Curvularia lunata403095003
- Onychomycosis caused by Fusarium403096002
- Onychomycosis caused by Pseudeurotium ovale403098001
- Onychomycosis caused by Pseudeurotium ovalis403098001
- Onychomycosis caused by Scopulariopsis brevicaulis403100001
- Onychomycosis caused by Scytalidium hyalinum403101002
- Onychomycosis caused by Onychocola canadensis403102009
- Onychomycosis caused by mold403103004
- Onychomycosis caused by mold infection403103004
- Onychomycosis caused by mould403103004
- Onychomycosis caused by mould infection403103004
- Distal and lateral subungual onychomycosis403104005
- Proximal subungual onychomycosis403105006
- Total dystrophic onychomycosis403107003
- Onycholysis due to fungal infection of nail403108008
- Endonyx onychomycosis403109000
- Fungal infection of nail414941008
- Onychomycosis414941008
- Ringworm of nail414941008
- Superficial onychomycosis417583002
- Superficial white onychomycosis417583002
- Onychomycosis caused by Neocucurbitaria unguis-hominis417611003
- Onychomycosis caused by Pyrenochaeta unguis hominis417611003
- Infection of skin caused by Neoscytalidium dimidiatum715874005
- Neoscytalidium dimidiatum infection of skin715874005
- Scytalidium dimidiatum infection of skin715874005
- Onychomycosis caused by Neoscytalidium dimidiatum715892002
- Onychomycosis caused by Scytalidium dimidiatum715892002
- Infection caused by Scytalidium721806000
- Scytalidium infection721806000
- Onychomycosis of nail of digit770642000
- Onychomycosis of nail of digit of hand770642000
- Infection of skin caused by Neoscytalidium1177032004
- Neoscytalidium dermatomycosis1177032004
- Infection of toenail10677511000119107
UMLS
- Dermatophytic onychiaC4082762
- Dermatophytosis of nailC4082762
- Nail tineaC4082762
- Onychomycosis caused by dermatophyteC4082762
- Onychomycosis caused by dermatophyte (disorder)C4082762
- Onychomycosis due to dermatophyteC4082762
- Tinea of nailC4082762
- dermatophytic onychiaC4082762
- dermatophytosis of nailC4082762
- Fungal infection of nailC0040261
- Fungus, NailC0040261
- Nail FungusC0040261
- Nail fungal infection NOSC0040261
- OnychomycosesC0040261
- OnychomycosisC0040261
- Onychomycosis (disorder)C0040261
- Ringworm of nailC0040261
- Ringworm of nailsC0040261
- Tinea UnguiumC0040261
- Tinea unguiumC0040261
- fungal nail infectionC0040261
- fungi nailC0040261
- nail fungiC0040261
- nail tineaC0040261
- onychomycosesC0040261
- onychomycosisC0040261
- tinea unguiumC0040261
Clinical Terms
- Dermatophytosis of nail
- Onychomycosis caused by Scopulariopsis brevicaulis
- Neoscytalidium dimidiatum infection of skin
- Nail fungal infection NOS
- Onychomycosis caused by Epidermophyton floccosum
- Nail Fungus
- Tinea unguium caused by Trichophyton schoenleinii
- fungal nail infection
- Onychomycosis caused by mould infection
- onychomycoses
- dermatophytic onychia
- Tinea caused by Epidermophyton floccosum
- Onychomycosis due to dermatophyte
- Onychomycosis caused by Neoscytalidium dimidiatum
- Onychomycosis caused by Trichophyton tonsurans variant tonsurans
- onychomycosis
- Separation of nail plate
- Onychomycosis caused by dermatophyte
- Onychomycosis caused by mould
- nail fungi
- Infection of skin caused by Neoscytalidium
- Tinea unguium caused by Trichophyton soudanense
- Epidermophyton floccosum infection
- Tinea caused by Trichophyton tonsurans
- Onychomycosis due to opportunistic infection
- Onychomycosis caused by Acremonium
- Fungal infection of nail
- Tinea unguium caused by Trichophyton tonsurans
- Nail tinea
- Onychomycosis caused by Pyrenochaeta unguis hominis
- Infection of skin caused by Neoscytalidium dimidiatum
- Tinea caused by Trichophyton mentagrophytes variant interdigitale
- Scytalidium hyalinum infection of skin
- Onychomycosis of nail of digit of hand
- Onychomycosis caused by Curvularia lunata
- Distal and lateral subungual onychomycosis
- Fungus, Nail
- Tinea caused by Trichophyton rubrum
- Fusarium infection
- Onychomycosis caused by Trichophyton mentagrophytes
- Superficial white onychomycosis
- Nail bed infection
- Scytalidium infection
- Onychomycosis of toenails
- Onychomycosis caused by dermatophyte (disorder)
- Endonyx onychomycosis
- Infection caused by Scytalidium
- Tinea caused by Trichophyton soudanense
- Onychomycosis caused by Pseudeurotium ovalis
- Onychomycosis caused by Trichophyton rubrum
- Onycholysis
- Onychomycosis caused by Scytalidium hyalinum
- Onychomycosis caused by Fusarium
- Onychomycosis caused by Onychocola canadensis
- Superficial onychomycosis
- Onychomycosis caused by mold
- Ringworm of nail
- Onychomycosis caused by Lasiodiplodia theobromae
- Onycholysis due to fungal infection of nail
- Onychomycosis caused by Trichophyton mentagrophytes variant interdigitale
- fungi nail
- Infected nail bed
- Tinea unguium caused by Trichophyton interdigitale
- Tinea caused by Trichophyton interdigitale
- Onychomycosis (disorder)
- Scytalidium dimidiatum infection of skin
- Onychomycosis caused by Botryodiplodia theobromae
- Onychomycosis caused by mold infection
- Tinea of nail
- Onychomycosis caused by Trichophyton violaceum
- Onychomycosis of nail of digit
- Total dystrophic onychomycosis
- Dermatophytosis caused by Trichophyton rubrum
- Proximal subungual onychomycosis
- Detachment of nail plate
- Onychomycosis caused by Scytalidium dimidiatum
- Onychomycosis caused by Trichophyton soudanense
- Onychomycosis caused by Trichophyton tonsurans
- Tinea unguium caused by Trichophyton violaceum
- Ringworm of nails
- Onychomycosis caused by Pseudeurotium ovale
- Epidermophytosis
- Neoscytalidium dermatomycosis
- Onychomycosis caused by Trichophyton interdigitale
- Tinea caused by Trichophyton violaceum
- Infection of toenail
- Onychomycosis caused by Trichophyton schoenleinii
- Onychomycosis caused by Neocucurbitaria unguis-hominis
Frequently Asked Questions
What is the ICD-10 code for tinea unguium?
The ICD-10-CM code for tinea unguium is B35.1. The full clinical description is "Tinea unguium". B35.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B35.1 mean?
ICD-10-CM code B35.1 represents “Tinea unguium”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is B35.1 a billable code?
Yes, B35.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B35.1 in?
B35.1 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B35.1?
B35.1 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with B35.1?
Yes, when using B35.1, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B35.1 map to?
B35.1 maps to 44 SNOMED CT concepts: 371042002, 402134005, 75789001, 403104005, 403109000, and 39 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B35.1?
B35.1 is linked to 2 UMLS Concept Unique Identifiers: C4082762, C0040261. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B35.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like tinea unguium 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 B35.1?
B35.1 maps to the ICD-11 code: 1F28.1 (Dermatophytosis of nail).
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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.