2024 ICD-10-CM Diagnosis Code B78.9

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Strongyloidiasis, unspecified

  • B78.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM B78.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B78.9 – other international versions of ICD-10 B78.9 may differ.

The following code(s) above B78.9 contain annotation back-references

 that may be applicable to B78.9:

  • A00-B99  Certain infectious and parasitic diseases
  • B78  Strongyloidiasis

Approximate Synonyms

  • Infection by strongyloides
  • Strongyloides infection

Clinical Information

  • Infection with nematodes of the genus strongyloides. The presence of larvae may produce pneumonitis and the presence of adult worms in the intestine could lead to moderate to severe diarrhea.
  • Infections with nematodes of the order strongylida; includes oesophagostomiasis, hook worm infection, trichostrongyloidiasis and equine strongylosis.

ICD-10-CM B78.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
  • 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert B78.9 to ICD-9-CMCode History

  • 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
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to B78.9: