M99.35
ICD-10-CMThis code signifies a narrowing of the spinal canal within the pelvic region due to bony overgrowth or structural changes. This compression can impinge on the spinal cord or nerve roots, leading to neurological symptoms. It specifically refers to the osseous (bony) nature of the stenosis.
Apply this code when documentation clearly indicates a diagnosis of spinal canal narrowing in the sacral or coccygeal area caused by bone. This is often diagnosed via imaging studies such as MRI or CT scans, which will detail the bony involvement. Use this code for conditions like sacral canal stenosis or coccygeal canal stenosis due to bone.
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