Orthopedic Coding Alert

Reader Question:

Ankle Fusion

Question: What is the most accurate way of coding an arthroscopic ankle fusion? Should I submit the unlisted procedure code (29909) with documentation, or use 27870?

California Subscriber

Answer: Although you should not usually report the CPT code for an open procedure to describe a procedure performed arthroscopically, in this case 27870 (arthrodesis, ankle, any method) is appropriate. The last two words in the description of the procedure, any method, allow you to report the code regardless of the surgical approach used.

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