M99.77
ICD-10-CMConnective tissue and disc stenosis of intervertebral foramina of upper extremity
This code signifies a narrowing of the intervertebral foramina in the cervical or thoracic spine, caused by issues with connective tissue or intervertebral discs, leading to compression of nerve roots that supply the upper extremity. This stenosis can result in symptoms such as pain, numbness, tingling, or weakness radiating into the arm or hand.
Apply this code when documentation explicitly states connective tissue or disc-related stenosis of the intervertebral foramina affecting the upper extremity. This is typically supported by imaging reports (MRI, CT) showing foraminal narrowing and clinical notes detailing radicular symptoms in the arm or hand. Do not use for stenosis without documented upper extremity involvement.
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