2023 ICD-10-CM Diagnosis Code B56.1

Rhodesiense trypanosomiasis

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • B56.1 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 B56.1 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of B56.1 - other international versions of ICD-10 B56.1 may differ.
Applicable To
  • East African sleeping sickness
  • Infection due to Trypanosoma brucei rhodesiense
The following code(s) above B56.1 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 B56.1:
  • A00-B99
    2023 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
  • B50-B64
    2023 ICD-10-CM Range B50-B64

    Protozoal diseases

    Type 1 Excludes
    • amebiasis (A06.-)
    • other protozoal intestinal diseases (A07.-)
    Protozoal diseases
Approximate Synonyms
  • Infection by trypanosoma rhodesiense
ICD-10-CM B56.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 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 B56.1 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to B56.1:
  • African
    • trypanosomiasis B56.9
      ICD-10-CM Diagnosis Code B56.9

      African trypanosomiasis, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Sleeping sickness NOS
      • rhodesian B56.1
  • 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
  • Sickness
    • sleeping (African) B56.9
      ICD-10-CM Diagnosis Code B56.9

      African trypanosomiasis, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Sleeping sickness NOS
      • by Trypanosoma B56.9
        ICD-10-CM Diagnosis Code B56.9

        African trypanosomiasis, unspecified

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
        Applicable To
        • Sleeping sickness NOS
      • East African B56.1
      • Rhodesian B56.1
  • Trypanosomiasis
    • African B56.9
      ICD-10-CM Diagnosis Code B56.9

      African trypanosomiasis, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Sleeping sickness NOS
    • by Trypanosoma
      • brucei rhodesiense B56.1
    • rhodesiensis, Rhodesian B56.1

ICD-10-CM Codes Adjacent To B56.1
B53.1 Malaria due to simian plasmodia
B53.8 Other malaria, not elsewhere classified
B54 Unspecified malaria
B55 Leishmaniasis
B55.0 Visceral leishmaniasis
B55.1 Cutaneous leishmaniasis
B55.2 Mucocutaneous leishmaniasis
B55.9 Leishmaniasis, unspecified
B56 African trypanosomiasis
B56.0 Gambiense trypanosomiasis
B56.1 Rhodesiense trypanosomiasis
B56.9 African trypanosomiasis, unspecified
B57 Chagas' disease
B57.0 Acute Chagas' disease with heart involvement
B57.1 Acute Chagas' disease without heart involvement
B57.2 Chagas' disease (chronic) with heart involvement
B57.3 Chagas' disease (chronic) with digestive system involvement
B57.30 Chagas' disease with digestive system involvement, unspecified
B57.31 Megaesophagus in Chagas' disease
B57.32 Megacolon in Chagas' disease
B57.39 Other digestive system involvement in Chagas' disease

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