Adjustment Code CO-237

Our practice has recently see an ajustment code CO-237 on our Medicare EOBs for claims in 2015. When I researched this code the only information I can find is a E-Rx program penalty. The adjustment amount is 1% of the allowable but per our practice manager we are actively participatinig in E-prescribing. All the information I can find is from starting 2012 even when I contacted Medicare, the CSR didnt even know what it was for.

Anyone have information for the 2015 and this adjustment code?

Adjustment Code CO-237