Pulmonary valve disorders

This code represents a range of non-inflammatory conditions affecting the pulmonary valve, including congenital malformations, acquired stenoses, insufficiencies, and other unspecified structural abnormalities. These disorders can impede blood flow from the right ventricle to the pulmonary artery or allow backflow, leading to various degrees of right heart strain and pulmonary circulation issues.

Use this code for documented diagnoses of pulmonary valve stenosis, insufficiency (regurgitation), or other structural defects not specified as inflammatory or rheumatic. This code is appropriate when the physician's documentation clearly identifies a primary pulmonary valve disorder, whether congenital or acquired, without an underlying inflammatory cause.

• Differentiate from rheumatic pulmonary valve disease (397.1) or inflammatory conditions affecting the valve.
• Be specific if the documentation allows for a more precise code, such as congenital pulmonary valve stenosis (746.02) or insufficiency (746.09).
• Always review the physician's notes for laterality or specific etiology if provided, though this code is general.