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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Oregon 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?

$275

Typical negotiated rate. In Oregon, July 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $191 from a physician practice, and about $331 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 7 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$191$145 to $251
FacilityA hospital or hospital-owned outpatient department$331$275 to $537

How much rates vary

Facilitymedian $331 · 10th to 90th $269 to $537Professionalmedian $191 · 10th to 90th $129 to $288
$100$200$500facility $331professional $191

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
$251.19
Median
$251.19
Typical High
$251.19
Aetna
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$199.53
Typical High
$251.19
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$208.93
Median
$575.44
Typical High
$707.95
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$181.97
Median
$269.15
Typical High
$446.68
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$263.03
Median
$263.03
Typical High
$263.03
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$269.15
Median
$331.13
Typical High
$537.03
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$302.00
Typical High
$331.13
Providence
Setting
Facility
Modifier
Global
Typical Low
$169.82
Median
$281.84
Typical High
$501.19
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$239.88
Typical High
$275.42
United
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$144.54
Typical High
$239.88

Where Oregon 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.

Oregon· 1st of 51

$275

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.