1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B00-B09 Viral infections characterized by skin and mucous membrane lesions
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4. B00- Herpesviral [herpes simplex] infections
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5. 2023 ICD-10-CM Diagnosis Code B00.1

2023 ICD-10-CM Diagnosis Code B00.1

Herpesviral vesicular dermatitis

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• B00.1 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 B00.1 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B00.1 - other international versions of ICD-10 B00.1 may differ.

• Bilateral herpes simplex otitis externa
• Bilateral recurrent herpes simplex otitis externa
• Herpes labialis
• Herpes simplex labialis
• Herpes simplex otitis externa
• Herpes simplex vesicular dermatitis
• Left herpes simplex otitis externa
• Left recurrent herpes simplex otitis externa
• Recurrent herpes simplex labialis
• Recurrent herpes simplex otitis externa
• Recurrent herpes simplex vesicular dermatitis
• Recurrent otitis externa due to herpes simplex
• Recurrent vesicular dermatitis due to herpes simplex
• Right herpes simplex otitis externa
• Right recurrent herpes simplex otitis externa

• A lesion caused by type 1 or type 2 herpes simplex virus, involving the oralfacial region.
• Cold sores are caused by a contagious virus called herpes simplex. There are two types of herpes simplex virus. Type 1 usually causes oral herpes, or cold sores. Type 1 herpes virus infects more than half of the United States Population by the time they reach their 20s. Type 2 usually affects the genital area some people have no symptoms from the infection. But others develop painful and unsightly cold sores that last for a week or more. Cold sores usually occur outside the mouth -- on the lips, chin, and cheeks, or in the nostrils. When they do occur inside the mouth, it is usually on the gums or the roof of the mouth. There is no cure for cold sores. Medicines can relieve some of the pain and discomfort associated with the sores. These include ointments that numb the blisters, antibiotics that control secondary bacterial infections, and ointments that soften the crusts of the sores.
• Herpes simplex, caused by type 1 virus, primarily spread by oral secretions and usually occurring as a concomitant of fever. It may also develop in the absence of fever or prior illness. It commonly involves the facial region, especially the lips and the nares. (Dorland, 27th ed.)

• 154 Other ear, nose, mouth and throat diagnoses with mcc
• 155 Other ear, nose, mouth and throat diagnoses with cc
• 156 Other ear, nose, mouth and throat diagnoses without cc/mcc
• 791 Prematurity with major problems
• 793 Full term neonate with major problems
• 974 Hiv with major related condition with mcc
• 975 Hiv with major related condition with cc
• 976 Hiv with major related condition without cc/mcc

Convert B00.1 to ICD-9-CM

• 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

• Type 1 Excludes: H62.4
  ICD-10-CM Diagnosis Code H62.4

  Otitis externa in other diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code

  Code First

  • underlying disease, such as:
  • erysipelas (A46)
  • impetigo (L01.0)

  Type 1 Excludes

  • otitis externa (in):
  • candidiasis (B37.84)
  • herpes viral [herpes simplex] (B00.1)
  • herpes zoster (B02.8)

• Blister (nonthermal)
  • fever B00.1
• Coldsore B00.1
• 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
  • herpesviral, vesicular B00.1 (ear) (lip)
  • vesicular, herpesviral B00.1
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  ICD-10-CM Diagnosis Code R50.9

  Fever, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
  • blister B00.1
  • sore B00.1
• Herpes, herpesvirus, herpetic B00.9
  ICD-10-CM Diagnosis Code B00.9

  Herpesviral infection, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Herpes simplex infection NOS
  • simplex B00.9
    ICD-10-CM Diagnosis Code B00.9

    Herpesviral infection, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Herpes simplex infection NOS
    • external ear B00.1
  • facialis B00.1
  • febrilis B00.1
  • labialis B00.1
  • lip B00.1
• 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
    • in (due to)
      • herpes (simplex) B00.1

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