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Part B Insider (Multispecialty) Coding Alert

NGS Makes 'Mass Adjustment'

After Donelle Holle reported that she was seeing instances of Z23 (Encounter for immunization ) being denied in error, the Insider 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 [...]