CGM & Diabetic SuppliesA4238CGM Monthly Supplies (Used with a Meter)
Your monthly allotment of CGM sensors and supplies — for systems that work alongside a standard fingerstick meter to confirm readings.
What to expect
- Filled as a monthly supply bundle covering the sensors and accessories your system uses.
- These systems pair with a regular glucose meter — keep using your meter as your care team directs.
- We confirm your exact system and help you set up refills.
For providers (HCPCS A4238)
- HCPCS A4238: supply allowance for adjunctive, non-implanted CGM; includes supplies and accessories, 1 unit of service = 1 month.
- For systems classified adjunctive; check whether BGM supplies remain separately billable under the plan.
- DWO + supporting documentation; coverage varies by payer.
- Coverage varies by payer — DWO and supporting documentation required.



