Medicare AdvantageBilling CodesHigh impact
Update for CPT Codes 80320-80377: Effective 10/1/2026
Ambetter·KY·Coding
Effective date
Oct 1, 2026
We identified it
Aug 26, 2026
Summary
Effective October 1, 2026, CPT codes 80320-80377 (Definitive Drug Testing Procedures) will no longer be reimbursable by Ambetter Health Kentucky. Billing teams must transition to G-series bundled laboratory codes for all drug testing claims to avoid denials.
Action Required
By September 30, 2026: Billing team must update all billing system rules and claim submission logic to discontinue use of CPT codes 80320-80377. Replace all definitive drug testing billing with appropriate G-series bundled laboratory codes in the billing software. Audit and update any standing orders, templates, or provider ordering workflows that reference the discontinued CPT codes. Notify all providers, lab staff, and relevant clinical personnel of the coding transition. Testing submitted on or after October 1, 2026 using CPT codes 80320-80377 will be denied by Ambetter Health Kentucky. Contact your Provider Relations Representative with questions about which specific G-series codes apply to your testing scenarios.