The qualifier applies to the NDC quantity, not to the HCPCS units. The two numbers are different and both are required: the HCPCS units follow the code's billable unit, while the NDC quantity describes how much of the package was used.
A two-character code stating the unit in which the NDC quantity is expressed.
The qualifier applies to the NDC quantity, not to the HCPCS units. The two numbers are different and both are required: the HCPCS units follow the code's billable unit, while the NDC quantity describes how much of the package was used.