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Podiatry Coding:

Try Out This Tendinitis Dx

Question: My podiatrist recently treated a patient for peroneal tendinitis. What is peroneal tendinitis, and which ICD-10-CM codes should I look to for reporting this condition?

Wisconsin Subscriber

Answer: Peroneal tendinitis is a condition where the peroneal tendons, which are situated side-by-side along the exterior ankle bone, become inflamed. This inflammation is typically a result of excessive strain and overuse of these tendons, which causes them to chafe against the bone. This rubbing then triggers swelling in the tendons. As a response to the added strain, the tendons gradually enlarge in an attempt to handle the increased load more effectively.

Common signs and symptoms of peroneal tendinitis include:

  • Pain at the back of the ankle
  • Pain that worsens during activity and lessens during rest
  • Pain when turning the foot in or out
  • Swelling at the back of the ankle
  • Instability of the ankle when bearing weight

You should look to the following ICD-10-CM codes when reporting peroneal tendinitis:

  • M76.70 (Peroneal tendinitis, unspecified leg)
  • M76.71 (… right leg)
  • M76.72 (… left leg)

Lindsey Bush, BA, MA, CPC, Development Editor, AAPC

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