tci Part B Insider - 2010 Issue 33
Reader Questions: Watch Bilaterals and Limits on 20550 With 64450
Question: Medicare denies our claims with codes CPT 20550 and 64450, stating that the number of units exceeds the maximum. How should we complete these claims? Answer: The denials could stem from reporting codes multiple times or reporting incorrect modifiers. Code 20550 (Injection[s]; single tendon sheath, or ligament, aponeurosis [e.g., plantar "fascia"]) applies to single or multiple injections to a single tendon sheath or ligament. If your physician injects the same sheath multiple times, you still report CPT 20550 only once. You can report 20550 multiple times during an encounter only when the physician injects different tendon sheaths...
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