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Diabetic supply and CGM billing
Billing for test strips, lancets, glucose monitors and continuous glucose monitors.
How diabetic supply billing works
Testing supply limits often depend on whether the patient uses insulin.
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Quantities above the usual limit need documentation of the testing frequency and medical need.
Continuous glucose monitors are billed with receiver codes and monthly supply allowance codes, and payers increasingly cover them through either DME or pharmacy benefits, so we confirm the right benefit first.
Codes we bill every day
| Code | What it covers |
|---|---|
| A4253 | Test strips, per 50 |
| A4259 | Lancets, per 100 |
| E0607 | Home blood glucose monitor |
| E2102 | Adjunctive CGM receiver |
| E2103 | Non-adjunctive CGM receiver |
| A4238 / A4239 | CGM supply allowances, per month |
Code descriptions are summarized. Payer coverage and documentation rules vary by plan and state.
Denials we prevent
- Insulin status not documented
- Quantities over limits without testing logs
- CGM billed to the DME benefit when the plan covers it under pharmacy
- Order missing testing frequency
- Duplicate monitors within the useful life
Questions about diabetic supply billing
Do you handle CGM prior authorizations?
Yes, for payers that require them, with the documentation each plan asks for.
Get a free diabetic supply billing audit
Send a few details and we will set up a short call to review your claims, denials and A/R. No cost and no commitment.
We sign a Business Associate Agreement before we handle any patient data.