J31Non-billable (header)
Chronic rhinitis, nasopharyngitis and pharyngitis
Code Hierarchy
┌10Diseases of the respiratory system (J00-J99)├J30-J39Other diseases of upper respiratory tract (J30-J39)├J31Chronic rhinitis, nasopharyngitis and pharyngitis
└J31Chronic rhinitis, nasopharyngitis and pharyngitis
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