Dima,
Based on this spreadsheet you shared with me (Unit of Sale vs Unit of Use). I see that 49281-510-05 maps to PENTACEL in Unit of Sale since this is the vaccine. This makes sense.
I also see that 49281-545-15 maps to ActHIB in Unit of Use which makes sense as its a component of the vaccine. But I also see that 49281-560-05 maps to PENTACEL in Unit of Use. Which does not match our mapping of 49281-560-05 to DTaP-IPV. I don’t see 49281-560-05 mapped to DTaP-IPV in Unit of Use.