2020 ICD-10-CM Diagnosis Code B78.9

Strongyloidiasis, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • B78.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM B78.9 became effective on October 1, 2019.
  • 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
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B78.9:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B78
    ICD-10-CM Diagnosis Code B78

    Strongyloidiasis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • trichostrongyliasis (B81.2)
    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 v37.0):
  • 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-CM

Code 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

Diagnosis Index entries containing back-references to B78.9:
  • Disorder (of) - see also Disease
    • glomerular (in) N05.9
      ICD-10-CM Diagnosis Code N05.9

      Unspecified nephritic syndrome with unspecified morphologic changes

        2016 2017 2018 2019 2020 Billable/Specific Code
      • strongyloidiasis B78.9
  • Glomerulonephritis N05.9
    - see also Nephritis
    ICD-10-CM Diagnosis Code N05.9

    Unspecified nephritic syndrome with unspecified morphologic changes

      2016 2017 2018 2019 2020 Billable/Specific Code
    • in (due to)
      • strongyloidiasis B78.9
  • Strongyloidiasis, strongyloidosis B78.9

ICD-10-CM Codes Adjacent To B78.9
B77 Ascariasis
B77.0 Ascariasis with intestinal complications
B77.8 Ascariasis with other complications
B77.81 Ascariasis pneumonia
B77.89 Ascariasis with other complications
B77.9 Ascariasis, unspecified
B78 Strongyloidiasis
B78.0 Intestinal strongyloidiasis
B78.1 Cutaneous strongyloidiasis
B78.7 Disseminated strongyloidiasis
B78.9 Strongyloidiasis, unspecified
B79 Trichuriasis
B80 Enterobiasis
B81 Other intestinal helminthiases, not elsewhere classified
B81.0 Anisakiasis
B81.1 Intestinal capillariasis
B81.2 Trichostrongyliasis
B81.3 Intestinal angiostrongyliasis
B81.4 Mixed intestinal helminthiases
B81.8 Other specified intestinal helminthiases
B82 Unspecified intestinal parasitism

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