After Donelle Holle reported that she was seeing instances of Z23 (Encounterforimmunization) being denied in error, Eli investigated further and discovered that NGS Medicare announced on Oct. 21 that it had “identified a claims processing issue” that impacted reimbursement for this diagnosis code.
“Claims for the following immunization and administration procedure codes incorrectly denied due to an incorrect diagnosis code,” NGS said in an Oct. 21 email blast to providers. The list of codes is as follows: G0008, G0010, G0009, 90630, 90669, 90670, 90686, 90732, 90739, 90740, 90743, 90744, 90746, and 90747.
The system error &ldquo...
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