Neurosurgery Coding Alert

Reader Question:

Look For Specific Code to Report Synovial Cyst

Question: Our doctor is doing a synovial cyst resection at L4-5. The diagnosis code I have always used for this procedure is 349.2 (Disorders of meninges not elsewhere classified). Our Dr. is stating I should use 727.40 (Synovial cyst, unspecified). Which code is correct?

Georgia Subscriber

Answer: In this case, you are reporting an epidural lumbar synovial cyst. The most appropriate diagnosis code you should report for a synovial cyst of any spinal site is 727.40.

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