2023

  1. ICD-10-CM Codes
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  2. A00-B99
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  3. B35-B49
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  4. B36-
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  5. 2023 ICD-10-CM Diagnosis Code B36.9

2023 ICD-10-CM Diagnosis Code B36.9

Superficial mycosis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • B36.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM B36.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of B36.9 - other international versions of ICD-10 B36.9 may differ.
The following code(s) above B36.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B36.9:
  • A00-B99
    2023 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • 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 to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B35-B49
    2023 ICD-10-CM Range B35-B49

    Mycoses

    Type 2 Excludes
    • hypersensitivity pneumonitis due to organic dust (J67.-)
    • mycosis fungoides (C84.0-)
    Mycoses
Approximate Synonyms
  • Bilateral chronic mycotic otitis externa
  • Bilateral otitis mycotic externa due to otomycosis
  • Both sides chronic mycotic otitis externa
  • Both sides mycotic otitis externa due to otomycosis
  • Chronic mycotic otitis externa
  • Dermal mycosis
  • Dermal mycosis (fungal infection)
  • Left chronic mycotic otitis externa
  • Left mycotic otitis externa due to otomycosis
  • Left otitis mycotic externa due to otomycosis
  • Otitis externa (ear canal infection), chronic mycotic
  • Otitis mycotic externa due to otomycosis
  • Otomycosis
  • Otomycosis (ear condition)
  • Right chronic mycotic otitis externa
  • Right mycotic otitis externa due to otomycosis
  • Right otitis mycotic externa due to otomycosis
Clinical Information
  • Superficial infections of the skin or its appendages by any of various fungi.
ICD-10-CM B36.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert B36.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to B36.9:
  • Dermatitis (eczematous) L30.9
    ICD-10-CM Diagnosis Code L30.9

    Dermatitis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Eczema NOS
  • Dermatomycosis B36.9
  • Ear - see also condition
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • fungus NOS B49
      ICD-10-CM Diagnosis Code B49

      Unspecified mycosis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Fungemia NOS
    • mycotic NOS B49
      ICD-10-CM Diagnosis Code B49

      Unspecified mycosis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Fungemia NOS
      • skin NOS B36.9
    • skin (local) (staphylococcal) (streptococcal) L08.9
      ICD-10-CM Diagnosis Code L08.9

      Local infection of the skin and subcutaneous tissue, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • Mycosis, mycotic B49
    ICD-10-CM Diagnosis Code B49

    Unspecified mycosis

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Fungemia NOS
    • ear B36.9
    • cutaneous NEC B36.9
    • skin NEC B36.9
  • Otitis (acute) H66.90
    ICD-10-CM Diagnosis Code H66.90

    Otitis media, unspecified, unspecified ear

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • externa H60.9-
      ICD-10-CM Diagnosis Code H60.9-

      Unspecified otitis externa

        2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • Otomycosis (diffuse) B36.9

ICD-10-CM Codes Adjacent To B36.9
B35.5 Tinea imbricata
B35.6 Tinea cruris
B35.8 Other dermatophytoses
B35.9 Dermatophytosis, unspecified
B36 Other superficial mycoses
B36.0 Pityriasis versicolor
B36.1 Tinea nigra
B36.2 White piedra
B36.3 Black piedra
B36.8 Other specified superficial mycoses
B36.9 Superficial mycosis, unspecified
B37 Candidiasis
B37.0 Candidal stomatitis
B37.1 Pulmonary candidiasis
B37.2 Candidiasis of skin and nail
B37.3 Candidiasis of vulva and vagina
B37.31 Acute candidiasis of vulva and vagina
B37.32 Chronic candidiasis of vulva and vagina
B37.4 Candidiasis of other urogenital sites
B37.41 Candidal cystitis and urethritis
B37.42 Candidal balanitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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