Peroneal tendinitis, right leg

This code signifies inflammation of the peroneal tendons in the right lower leg and ankle. Peroneal tendinitis typically presents as pain along the outer aspect of the ankle, often exacerbated by activity or ankle inversion. It can result from overuse, trauma, or improper footwear.

Utilize this code when documentation explicitly states peroneal tendinitis affecting the right leg. Supporting documentation should include a physician's diagnosis based on clinical examination findings, such as localized tenderness, swelling, and pain with resisted eversion. This code is appropriate for both acute and chronic presentations.

• Ensure laterality is clearly documented (right vs. left vs. bilateral) as separate codes exist for other sides.
• Distinguish from other ankle tendinopathies, such as posterior tibial tendinitis (M76.81-), which have different anatomical locations.
• Look for associated conditions like ankle sprains or instability, which may require additional coding.