1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B65-B83 Helminthiases
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4. B83- Other helminthiases
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5. 2021 ICD-10-CM Diagnosis Code B83.1

2021 ICD-10-CM Diagnosis Code B83.1

Gnathostomiasis

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• B83.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM B83.1 became effective on October 1, 2020.
• This is the American ICD-10-CM version of B83.1 - other international versions of ICD-10 B83.1 may differ.

• Gnathostomiasis infection
• Infection by gnathostoma

• Infections with nematodes of the genus gnathostoma, superfamily thelazioidea. Gnathostomiasis is a food-borne zoonosis caused by eating undercooked or raw fish or meat.

• 867 Other infectious and parasitic diseases diagnoses with mcc
• 868 Other infectious and parasitic diseases diagnoses with cc
• 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert B83.1 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

• Gnathostoma spinigerum B83.1 (infection) (infestation), gnathostomiasis (wandering swelling)
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • Gnathostoma B83.1 (spinigerum)
• Infestation B88.9
  ICD-10-CM Diagnosis Code B88.9

  Infestation, unspecified

  2016 2017 2018 2019 2020 2021 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 Billable/Specific Code

    Applicable To

    • Worms NOS

    Type 1 Excludes

    • intestinal helminthiasis NOS (B82.0)
    • gnathostomiasis B83.1
  • nematode NEC (intestinal) B82.0
    ICD-10-CM Diagnosis Code B82.0

    Intestinal helminthiasis, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • Gnathostoma spinigerum B83.1
  • Gnathostoma B83.1 (spinigerum)
• Swelling (of) R60.9
  ICD-10-CM Diagnosis Code R60.9

  Edema, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Fluid retention NOS
  • wandering, due to Gnathostoma B83.1 (spinigerum)

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