Neuromuscular scoliosis, lumbar region

This code signifies a spinal curvature in the lumbar region that is secondary to an underlying neuromuscular disorder. The scoliosis is not idiopathic but rather a direct consequence of conditions affecting the nerves and muscles, leading to an imbalance in spinal support.

Apply this code when documentation clearly links lumbar scoliosis to a primary neuromuscular condition, such as cerebral palsy, muscular dystrophy, or spinal muscular atrophy. The physician's notes should specify the lumbar region involvement and the neuromuscular etiology.

• Ensure the documentation explicitly states the lumbar region involvement; avoid using this code for thoracic or thoracolumbar neuromuscular scoliosis.
• Always code the underlying neuromuscular disorder first, as it is the primary etiology.
• Differentiate from idiopathic scoliosis (M41.1-) and other specified types of scoliosis.