Fistula, right foot

This code signifies the presence of an abnormal, pathological tract or channel connecting two epithelialized surfaces, or an epithelialized surface to a hollow organ or the external environment, specifically located in the right foot. This tract can be congenital, traumatic, or inflammatory in origin, often leading to chronic drainage or infection.

Use this code when documentation clearly indicates a fistula affecting the right foot. This typically includes operative reports detailing fistula excision or repair, or physician notes describing a draining tract on the right foot confirmed by imaging or physical examination. Ensure the laterality is explicitly stated as "right foot."

• Differentiate from sinus tracts, which are blind-ended and do not connect two epithelialized surfaces.
• Always confirm laterality (right vs. left) from the physician's documentation.
• Code any underlying cause of the fistula (e.g., osteomyelitis, Crohn's disease) as an additional diagnosis.