Medicare AdvantageBilling CodesHigh impact
Ambetter Health Billing Code Update for CPT Codes 80320-80377 Effective 10/01/2026
Ambetter·Pathology, Occupational Medicine, Pain Management +2 more·Coding
Effective date
Oct 1, 2026
We identified it
Aug 26, 2026
Summary
Ambetter Health will no longer reimburse CPT codes 80320-80377 (Definitive Drug Testing Procedures) effective October 1, 2026. Providers must transition to G-series bundled laboratory codes for all drug testing claims submitted to Ambetter plans after this date.
Action Required
By September 1, 2026: Billing team must update billing software and claims submission rules to block submission of CPT codes 80320-80377 to Ambetter Health plans. Create mapping documentation identifying the appropriate G-series bundled laboratory codes as replacements for each discontinued CPT code. Communicate the transition plan to laboratory staff and providers who perform or order definitive drug testing. After October 1, 2026, any claims submitted with CPT codes 80320-80377 to Ambetter will be denied. Verify all Ambetter claims with drug testing procedures are recoded to the corresponding G-series bundled codes before submission.