MedicaidAdministrativeMedium impact
Error Code 6151 Updated for Current Procedural Terminology (CPT) Codes 99221, 99222, and 99223
Nevada Medicaid·NV·Billing & Coding
Effective date
Dec 9, 2024
We identified it
Jun 21, 2026
Summary
Nevada Medicaid has removed error code 6151 ('New patient visit within 3 years') from initial hospital inpatient/observation CPT codes 99221, 99222, and 99223 effective December 9, 2024. Previously denied claims from September 16-December 10, 2024 will be automatically reprocessed.
Action Required
Immediately: Monitor remittance advice for automatically reprocessed claims that were previously denied with error code 6151 for CPT codes 99221, 99222, and 99223. Billing team should verify reprocessed claim results and be prepared to appeal any new denials that may occur during reprocessing. No system updates required as change is applied automatically by Nevada Medicaid.