Kyphoscoliotic heart disease

This code represents heart disease that develops as a complication of severe kyphoscoliosis, a combined spinal deformity involving both excessive outward curvature (kyphosis) and lateral curvature (scoliosis). The spinal deformity restricts lung expansion, leading to chronic hypoxemia and pulmonary hypertension, which in turn strains the right side of the heart, potentially causing right ventricular hypertrophy and heart failure.

Use this code when documentation explicitly links a patient's heart condition to their underlying kyphoscoliosis. This typically involves findings of pulmonary hypertension, right heart strain, or cor pulmonale in a patient with a significant kyphoscoliotic spinal deformity. Supporting documentation would include imaging reports (e.g., chest X-ray, echocardiogram), pulmonary function tests, and physician notes detailing the causal relationship.

• Ensure the physician clearly states the heart disease is due to or secondary to the kyphoscoliosis.
• Code the underlying kyphoscoliosis (e.g., 737.30-737.49) as a primary diagnosis if it is the focus of treatment, or as an additional diagnosis.
• Do not use this code for general heart disease in a patient with kyphoscoliosis if a direct causal link is not established.