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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Wisconsin 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?

$251

Typical negotiated rate. In Wisconsin, July 2026.

Insurers have agreed to pay about $251 for this service. The price depends on where it is billed: about $251 from a physician practice, and about $275 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 10 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$251$155 to $437
FacilityA hospital or hospital-owned outpatient department$275$151 to $537

How much rates vary

Facilitymedian $275 · 10th to 90th $151 to $617Professionalmedian $251 · 10th to 90th $145 to $708
$100$200$500$1Kfacility $275professional $251

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
$151.36
Median
$151.36
Typical High
$151.36
Aetna
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$158.49
Typical High
$208.93
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$263.03
Median
$416.87
Typical High
$870.96
CareSource
Setting
Facility
Modifier
Global
Typical Low
$288.40
Median
$288.40
Typical High
$288.40
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
DeanCare
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$223.87
Typical High
$588.84
DeanCare
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$275.42
Typical High
$288.40
Medica
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$275.42
Typical High
$616.60
Medica
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$1,412.54
Molina
Setting
Professional
Modifier
Global
Typical Low
$50.12
Median
$58.88
Typical High
$70.79
Prevea360
Setting
Facility
Modifier
Global
Typical Low
$151.36
Median
$223.87
Typical High
$588.84
Prevea360
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$275.42
Typical High
$275.42
Quartz
Setting
Professional
Modifier
Global
Typical Low
$302.00
Median
$489.78
Typical High
$912.01
Quartz
Setting
Facility
Modifier
Global
Typical Low
$537.03
Median
$537.03
Typical High
$1,479.11
Quartz
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$1,148.15
Typical High
$1,445.44
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$239.88

Where Wisconsin 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.

Wisconsin· 5th of 51

$251

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.