1. ICD-10-CM Codes
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2. A00-B99
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3. B65-B83
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4. B73-
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5. 2023 ICD-10-CM Diagnosis Code B73

2023 ICD-10-CM Diagnosis Code B73

Onchocerciasis

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

• B73 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
• The 2023 edition of ICD-10-CM B73 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B73 - other international versions of ICD-10 B73 may differ.

• Filarial infection of the eyes transmitted from person to person by bites of onchocerca volvulus-infected black flies. The microfilariae of onchocerca are thus deposited beneath the skin. They migrate through various tissues including the eye. Those persons infected have impaired vision and up to 20% are blind. The incidence of eye lesions has been reported to be as high as 30% in central america and parts of africa.
• Infection with nematodes of the genus onchocerca. Characteristics include the presence of firm subcutaneous nodules filled with adult worms, pruritus, and ocular lesions.
• Infection with nematodes of the genus onchocerca; characteristics include the presence of firm subcutaneous nodules filled with adult worms, pruritus, and ocular lesions.

• 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: B74
  ICD-10-CM Diagnosis Code B74

  Filariasis

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

  Type 2 Excludes

  • onchocerciasis (B73)
  • tropical (pulmonary) eosinophilia NOS (J82.89)

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