1. ICD-10-CM Codes
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2. A00-B99
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3. B65-B83
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4. B81-
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5. 2023 ICD-10-CM Diagnosis Code B81.3

2023 ICD-10-CM Diagnosis Code B81.3

Intestinal angiostrongyliasis

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

• B81.3 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 B81.3 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B81.3 - other international versions of ICD-10 B81.3 may differ.

• 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
• 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert B81.3 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 2 Excludes: B83.2
  ICD-10-CM Diagnosis Code B83.2

  Angiostrongyliasis due to Parastrongylus cantonensis

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

  Applicable To

  • Eosinophilic meningoencephalitis due to Parastrongylus cantonensis

  Type 2 Excludes

  • intestinal angiostrongyliasis (B81.3)
• Applicable To: B81.4
  ICD-10-CM Diagnosis Code B81.4

  Mixed intestinal helminthiases

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

  Applicable To

  • Infection due to intestinal helminths classified to more than one of the categories B65.0-B81.3 and B81.8
  • Mixed helminthiasis NOS

• Angiostrongyliasis
  • due to
    • Parastrongylus
      • costaricensis B81.3
  • intestinal B81.3
• 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
  • Parastrongylus
    • costaricensis B81.3
• Infestation B88.9
  ICD-10-CM Diagnosis Code B88.9

  Infestation, unspecified

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

  Applicable To

  • Infestation (skin) NOS
  • Infestation by mites NOS
  • Skin parasites NOS
  • helminth B83.9
    ICD-10-CM Diagnosis Code B83.9

    Helminthiasis, unspecified

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

    Applicable To

    • Worms NOS

    Type 1 Excludes

    • intestinal helminthiasis NOS (B82.0)
    • angiostrongyliasis B83.2
      ICD-10-CM Diagnosis Code B83.2

      Angiostrongyliasis due to Parastrongylus cantonensis

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

      Applicable To

      • Eosinophilic meningoencephalitis due to Parastrongylus cantonensis

      Type 2 Excludes

      • intestinal angiostrongyliasis (B81.3)
      • intestinal B81.3
    • intestinal B82.0
      ICD-10-CM Diagnosis Code B82.0

      Intestinal helminthiasis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • angiostrongyliasis B81.3
  • Parastrongylus
    • costaricensis B81.3

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