Question: A patient presented to our ED with back pain, and the physician diagnosed her with lumbosacral radiculopathy. How should we report this diagnosis? Codify Subscriber Answer: When your physician documents a diagnosis of lumbosacral radiculopathy, you should report M54.17 (Radiculopathy, lumbosacral region). Tip: You will choose the appropriate code for radiculopathy depending upon the region of the spine involved. Your other radiculopathy choices include the following: If you aren’t able to find out where the radiculopathy occurred, evaluate the physician record to find documentation of the location.