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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Rhode Island rates for HCPCS A4238

Supply allowance for adjunctive, nonimplanted continuous glucose monitor (CGM), includes all supplies and accessories, 1 month supply = 1 unit of service

Rates data updated October 2026.

How much does Adjunctive Nonimplanted Continuous Glucose Monitor Supplies cost?

$170

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $170 for this service. Most negotiated rates run $151 to $240.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $479 · 10th to 90th $240 to $550Professionalmedian $170 · 10th to 90th $145 to $240
$100$200$500facility $479professional $170

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$151.36
Median
$151.36
Typical High
$173.78
BCBS
Setting
Facility
Modifier
None
Typical Low
$239.88
Median
$478.63
Typical High
$549.54
BCBS
Setting
Professional
Modifier
None
Typical Low
$169.82
Median
$239.88
Typical High
$239.88
Cigna
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
United
Setting
Professional
Modifier
None
Typical Low
$104.71
Median
$144.54
Typical High
$239.88

Where Rhode Island sits

The same service costs 2.1 times more in Montana than in Hawaii. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Rhode Island· 32nd of 51

$170

MT $282HI $135

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.