Echinococcus multilocularis infection, other sites

This code signifies an infection caused by the parasitic tapeworm Echinococcus multilocularis that has disseminated beyond the liver and lungs to other anatomical locations. This cestode infection, known as alveolar echinococcosis, typically presents with slow-growing, tumor-like lesions in various organs.

Apply this code when documentation confirms alveolar echinococcosis affecting sites such as the brain, bones, spleen, or kidneys, but not the liver or lungs. This diagnosis is often supported by imaging studies (CT, MRI), serology, and histopathological findings from biopsy.

• Ensure the documentation explicitly states "other sites" or specifies an extrahepatic/extrapulmonary location of the Echinococcus multilocularis infection.
• Do not use this code if the infection is solely confined to the liver (B67.0) or lung (B67.61).
• Code any associated organ dysfunction or complications separately, if applicable and documented.