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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Connecticut 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?

$234

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $234 for this service. Most negotiated rates run $162 to $372.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Professionalmedian $234 · 10th to 90th $145 to $372
$100$200professional $234

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$169.82
Median
$234.42
Typical High
$234.42
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$239.88
Median
$371.54
Typical High
$371.54
Anthem BCBS
Setting
Professional
Modifier
KF · Class III device
Typical Low
$194.98
Median
$229.09
Typical High
$295.12
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$23.99
Median
$37.15
Typical High
$37.15
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$181.97
Median
$281.84
Typical High
$281.84
Cigna
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$295.12
Median
$398.11
Typical High
$512.86
United
Setting
Professional
Modifier
None
Typical Low
$120.23
Median
$144.54
Typical High
$239.88

Where Connecticut 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.

Connecticut· 16th of 51

$234

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.