Numeric value of quantity

DN101 is the estimated number of treatment months.

Numeric value of quantity

DN102 is the number of treatment months remaining.

Code indicating a Yes or No condition or response

DN103 is the extra oral traction device indicator. A "Y" value indicates an extra oral traction device; an "N" value indicates no extra oral traction device.

A free-form description to clarify the related data elements and their content

DN104 is the appliance description.