B65.1 Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis]

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

Applies from B65 Schistosomiasis [bilharziasis]

Includes

• snail fever

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 120.1 Schistosomiasis due to schistosoma mansoni

Code annotations containing back-references to B65.1

Back-references to B65.1

• Code First: D77 Other disorders of blood and blood-forming organs in diseases classified elsewhere ("schistosomiasis [bilharziasis] (B65.0-B65.9)")
• Code First: I52 Other heart disorders in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: J17 Pneumonia in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: J99 Respiratory disorders in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: K77 Liver disorders in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: N22 Calculus of urinary tract in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: N29 Other disorders of kidney and ureter in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")
• Code First: N33 Bladder disorders in diseases classified elsewhere ("schistosomiasis (B65.0-B65.9)")

Back-references to B65

• Code First: G07 Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere ("schistosomiasis granuloma of brain (B65.-)")
• Code First: H94.0 Acoustic neuritis in infectious and parasitic diseases classified elsewhere ("parasitic disease (B65-B89)")
• Code Also: I27.21 Secondary pulmonary arterial hypertension ("schistosomiasis (B65.-)")
• Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")
• Code First: M63 Disorders of muscle in diseases classified elsewhere ("schistosomiasis (B65.-)")
• Type 1 Excludes: N35.1 Postinfective urethral stricture, not elsewhere classified ("urethral stricture associated with schistosomiasis (B65.-, N29)")

Diagnosis Index entries for B65.1

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › bilharziasis
• Bilharziasis › intestinal
• Disease, diseased › Manson's
• Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical) › schistosomal
• Egyptian splenomegaly
• Infestation › Schistosoma › mansoni
• Manson's › disease
• Manson's › schistosomiasis
• Schistosomiasis › colon
• Schistosomiasis › due to › S. mansoni
• Schistosomiasis › intestinal
• Schistosomiasis › Manson's (intestinal)
• Schistosomiasis › Schistosoma › mansoni
• Splenomegaly, splenomegalia (Bengal) (cryptogenic) (idiopathic) (tropical) › Egyptian

Nearby codes

• B65 Schistosomiasis [bilharziasis]
• B65.0 Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis]
• B65.1 Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis] (this code)
• B65.2 Schistosomiasis due to Schistosoma japonicum
• B65.3 Cercarial dermatitis
• B65.8 Other schistosomiasis
• B65.9 Schistosomiasis, unspecified