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GY modifier order

Scott VanBerkom 6 months ago in Billing/Electronic Modules updated by Anissa Jones 6 months ago 1



When billing with a GY modifier, is there an order in which the GY needs to be listed in when billing multiple modifiers?  

Hi Scott,

When I need to use the GY modifier, I put it as the last one. 

Example when I bill to medicare for non-covered services: 

  H2019 U1 HQ GY

They have been providing the correct Patient Responsibility  COB information. If I do not provide that modifier, then I get a rejection with the amount listed as a contractual obligation. The secondary insurance then will not pay or pay correctly.

Hope this helps!

Anissa