Streptobacillosis

This code represents streptobacillosis, also known as Haverhill fever or rat-bite fever caused by Streptobacillus moniliformis. It is a systemic bacterial infection characterized by fever, rash, and polyarthralgia, often following exposure to rodents or ingestion of contaminated food/water.

Assign this code when documentation confirms a diagnosis of streptobacillosis, typically supported by a history of rodent exposure (e.g., rat bite) or consumption of unpasteurized dairy products, coupled with characteristic clinical symptoms. Laboratory confirmation of Streptobacillus moniliformis is ideal but not always required if the clinical picture is definitive.

• Ensure documentation clearly distinguishes between Streptobacillus moniliformis and Spirillum minus infections, as they cause different forms of rat-bite fever.
• Look for specific mention of "Haverhill fever" or "rat-bite fever due to Streptobacillus moniliformis."
• Consider sequencing this code as the primary diagnosis if it is the reason for the encounter.