2024 ICD-10-CM Diagnosis Code A46: Erysipelas (2024)

1. ICD-10-CM Codes
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2. A00-B99
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3. A30-A49
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4. A46-
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5. 2024 ICD-10-CM Diagnosis Code A46

Erysipelas

2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code

• A46 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursem*nt purposes.
• The 2024 edition of ICD-10-CM A46 became effective on October 1, 2023.
• This is the American ICD-10-CM version of A46 - other international versions of ICD-10 A46 may differ.

Approximate Synonyms

• Erysipelas of bilateral leg
• Erysipelas of bilateral lower limbs
• Erysipelas of left leg
• Erysipelas of left lower limb
• Erysipelas of leg
• Erysipelas of lower limb
• Erysipelas of right leg
• Erysipelas of right lower limb

Clinical Information

• An acute infection of the skin caused by species of streptococcus. This disease most frequently affects infants, young children, and the elderly. Characteristics include pink-to-red lesions that spread rapidly and are warm to the touch. The commonest site of involvement is the face.

ICD-10-CM A46 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

• 602 Cellulitis with mcc
• 603 Cellulitis without mcc

Convert A46 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
• 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A46:

• Code First: H62.4

  ICD-10-CM Diagnosis Code H62.4

  Otitis externa in other diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 2022 2023 2024 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)

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90

  ICD-10-CM Diagnosis Code M19.90

  Unspecified osteoarthritis, unspecified site

  2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code

  Applicable To

  • Arthrosis NOS
  • Arthritis NOS
  • Osteoarthritis NOS
  • due to or associated with
    • erysipelas A46 - see also category M01
• Erysipelas (gangrenous) (infantile) (newborn) (phlegmonous) (suppurative) A46
  • external ear A46
• Otitis (acute) H66.90

  ICD-10-CM Diagnosis Code H66.90

  Otitis media, unspecified, unspecified ear

  2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code
  • externa H60.9-

    ICD-10-CM Diagnosis Code H60.9-

    Unspecified otitis externa

    2016 2017 2018 2019 2020 2021 2022 2023 2024 Non-Billable/Non-Specific Code
    • in (due to)
      • erysipelas A46

ICD-10-CM Codes Adjacent To A46

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