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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 July 2026.

How much does Adjunctive Nonimplanted Continuous Glucose Monitor Supplies cost?

$200

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $200 for this service. Most negotiated rates run $170 to $234.

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

Facilitymedian $234 · 10th to 90th $234 to $234Professionalmedian $200 · 10th to 90th $145 to $251
$200$500facility $234professional $200

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$234.42
Median
$234.42
Typical High
$234.42
Aetna
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$199.53
Typical High
$245.47
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$263.03
Typical High
$371.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$229.09
Median
$398.11
Typical High
$602.56
United
Setting
Facility
Modifier
Global
Typical Low
$169.82
Median
$169.82
Typical High
$169.82
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$436.52

Where Connecticut sits

The same service costs 1.9 times more in Oregon than in Oklahoma. 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· 25th of 51

$200

OR $275OK $145

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.