B56.1 Rhodesiense trypanosomiasis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• East African sleeping sickness
• Infection due to Trypanosoma brucei rhodesiense

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 086.4 Rhodesian trypanosomiasis

Code annotations containing back-references to B56.1

Back-references to B56

• Code First: F02 Dementia in other diseases classified elsewhere ("trypanosomiasis (B56.-, B57.-)")
• Code First: G02 Meningitis in other infectious and parasitic diseases classified elsewhere ("African trypanosomiasis (B56.-)")
• Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")

Diagnosis Index entries for B56.1

• African › trypanosomiasis › rhodesian
• Infection, infected, infective (opportunistic) › Trypanosoma › brucei › rhodesiense
• Sickness › sleeping (African) › by Trypanosoma › brucei › rhodesiense
• Sickness › sleeping (African) › East African
• Sickness › sleeping (African) › Rhodesian
• Trypanosomiasis › African › by Trypanosoma brucei › rhodesiense
• Trypanosomiasis › by Trypanosoma › brucei rhodesiense
• Trypanosomiasis › rhodesiensis, Rhodesian

Nearby codes

• B56 African trypanosomiasis
• B56.0 Gambiense trypanosomiasis
• B56.1 Rhodesiense trypanosomiasis (this code)
• B56.9 African trypanosomiasis, unspecified