1. ICD-10-CM Codes
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2. A00-B99
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3. B65-B83
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4. B82-
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5. 2023 ICD-10-CM Diagnosis Code B82.9

2023 ICD-10-CM Diagnosis Code B82.9

Intestinal parasitism, unspecified

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

• B82.9 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 B82.9 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B82.9 - other international versions of ICD-10 B82.9 may differ.

• Intestinal parasitism
• Parasitism, intestinal

• Infections of the gastrointestinal system with parasites, commonly involving protozoa or parasitic worms.
• Infections of the intestines with parasites, commonly involving parasitic worms. Infections with roundworms (nematode infections) and tapeworms (cestode infections) are also known as helminthiasis.

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

Convert B82.9 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

• Disease, diseased - see also Syndrome
  • parasitic B89
    ICD-10-CM Diagnosis Code B89

    Unspecified parasitic disease

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intestinal NOS B82.9
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

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

  Applicable To

  • Colitis NOS
  • Enteritis NOS
  • Gastroenteritis NOS
  • Ileitis NOS
  • Jejunitis NOS
  • Sigmoiditis NOS

  Type 1 Excludes

  • diarrhea NOS (R19.7)
  • functional diarrhea (K59.1)
  • infectious gastroenteritis and colitis NOS (A09)
  • neonatal diarrhea (noninfective) (P78.3)
  • psychogenic diarrhea (F45.8)
  • parasitic NEC B82.9
• 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
  • parasite, parasitic B89
    ICD-10-CM Diagnosis Code B89

    Unspecified parasitic disease

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intestinal NOS B82.9
  • intestinal NEC B82.9
• Parasitism B89
  ICD-10-CM Diagnosis Code B89

  Unspecified parasitic disease

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • intestinal B82.9

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