Q66.7Non-Billable (Header)Congenital pes cavusChild CodesQ66.70Congenital pes cavus, unspecified footQ66.71Congenital pes cavus, right footQ66.72Congenital pes cavus, left footCode Hierarchy└Q66Congenital deformities of feet└Q66.7Congenital pes cavus└Q66.7Congenital pes cavus