Adult osteochondrosis of spine, thoracolumbar region

This code describes a degenerative condition affecting the vertebral endplates and intervertebral discs in the thoracolumbar spine (T1-L5) in adults. It involves aseptic necrosis of bone and cartilage, leading to structural changes and potential pain or neurological symptoms. It is distinct from juvenile osteochondrosis (Scheuermann's disease).

Apply this code when documentation specifies adult osteochondrosis localized to the thoracolumbar region of the spine. This diagnosis is typically supported by imaging findings (e.g., X-ray, MRI) showing characteristic changes like vertebral endplate irregularities, Schmorl's nodes, or disc space narrowing in an adult patient.

• Differentiate carefully from juvenile osteochondrosis (Scheuermann's disease), which has different code assignments.
• Ensure the documentation explicitly states "adult" or the patient's age confirms adulthood, and specifies the "thoracolumbar" region.
• Code any associated pain (e.g., M54.5 for low back pain, M54.6 for thoracic pain) or neurological deficits separately, if documented.