1. ICD-10-CM Codes
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2. A00-B99
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3. B65-B83
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4. B74-
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5. 2023 ICD-10-CM Diagnosis Code B74.3

2023 ICD-10-CM Diagnosis Code B74.3

Loiasis

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

• B74.3 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 B74.3 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B74.3 - other international versions of ICD-10 B74.3 may differ.

• Infection by loa loa

• A parasitic infection caused by the nematode loa loa. The vector in the transmission of this infection is the horsefly (tabanus) or the deerfly or mango fly (chrysops). The larvae may be seen just beneath the skin or passing through the conjunctiva. Eye lesions are not uncommon. The disease is generally mild and painless.

• 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 B74.3 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

• Calabar swelling B74.3
• Disease, diseased - see also Syndrome
  • eyeworm of Africa B74.3
• Eyeworm disease of Africa B74.3
• 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
  • Loa loa B74.3
    • with conjunctival infestation B74.3
    • eyelid B74.3
• 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
  • eyelid
    • in (due to)
      • loiasis B74.3
  • filarial B74.9
    ICD-10-CM Diagnosis Code B74.9

    Filariasis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • due to
      • loa loa B74.3
  • Loa loa B74.3
    • conjunctival B74.3
    • eyelid B74.3
  • eyeworm B74.3
• Loa loa, loaiasis, loasis B74.3
• Loiasis B74.3 (with conjunctival infestation) (eyelid)
• Swelling (of) R60.9
  ICD-10-CM Diagnosis Code R60.9

  Edema, unspecified

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

  Applicable To

  • Fluid retention NOS
  • Calabar B74.3

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