New Required Fields on CMS 1500 Claims
Date: 04/29/19
Effective April 1, 2019 Ambetter from Arizona Complete Health (Ambetter) will change its policy as it relates to required fields on the CMS-1500 claim form. Formerly box 18 was listed as a conditional/optional field.
Refer to the below publication for further details.
New Required Fields on CMS 1500 Claims (PDF)