Emergency Ground Ambulance Destination Modifier

Date Issued: 12/18/2018

Date Effective: 03/18/2019

According to CMS policy, emergency (ground) ambulance services (A0427, A0429, or A0433) are covered only for the destination of hospital (Modifier H), site of transfer (Modifier I), or intermediate stop at a physician’s office on the way to a hospital (Modifier X).

Therefore, A0427, A0429, or A0433 billed without a destination modifier of H, I, or X will be denied.