1. ICD-10-CM Codes
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2. A00-B99
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3. B50-B64
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4. B56-
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5. 2023 ICD-10-CM Diagnosis Code B56.9

2023 ICD-10-CM Diagnosis Code B56.9

African trypanosomiasis, unspecified

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

• B56.9 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 B56.9 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B56.9 - other international versions of ICD-10 B56.9 may differ.

• African trypanosomiasis
• African trypanosomiasis infection
• Meningitis due to trypanosomiasis
• Trypanosomiasis with meningitis

• A disease endemic among people and animals in central africa. It is caused by various species of trypanosomes, particularly t. Gambiense and t. Rhodesiense. Its second host is the tsetse fly. Involvement of the central nervous system produces "african sleeping sickness." nagana is a rapidly fatal trypanosomiasis of horses and other animals.
• A parasitic disorder caused by protozoa of the trypanosoma brucei species. It is transmitted by flies and is endemic in various regions of sub-saharan africa. Signs and symptoms include fever, joint pain, headache, and significant swelling of the lymph nodes. If left untreated, the parasitic infection causes anemia, heart, kidney, and endocrine failure, and neurologic damage. Subsequently patients develop confusion, disruption of the sleep cycle, and mental deterioration. The infection may lead to coma and death.

• 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 B56.9 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

• African
  • trypanosomiasis B56.9
  • sleeping sickness B56.9
• Dementia (degenerative (primary)) (old age) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
  ICD-10-CM Diagnosis Code F03.90

  Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code Adult Dx (15-124 years)

  Applicable To

  • Dementia NOS
  • in (due to)
    • trypanosomiasis
      • African B56.9 - see also Dementia, in, diseases specified elsewhere
        • with behavioral disturbance B56.9 - see also Dementia, in, diseases specified elsewhere
• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
  ICD-10-CM Diagnosis Code G04.90

  Encephalitis and encephalomyelitis, unspecified

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

  Applicable To

  • Ventriculitis (cerebral) NOS
  • in (due to)
    • African trypanosomiasis B56.9
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
  ICD-10-CM Diagnosis Code G03.9

  Meningitis, unspecified

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

  Applicable To

  • Arachnoiditis (spinal) NOS
  • in (due to)
    • African trypanosomiasis B56.9
• Sickness
  • sleeping (African) B56.9
    • by Trypanosoma B56.9
• Trypanosomiasis
  • African B56.9
  • where
    • African trypanosomiasis is prevalent B56.9

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