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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Colorado 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?

$195

Typical negotiated rate. In Colorado, July 2026.

Insurers have agreed to pay about $195 for this service. The price depends on where it is billed: about $191 from a physician practice, and about $209 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 $224
FacilityA hospital or hospital-owned outpatient department$209$120 to $282

How much rates vary

Facilitymedian $209 · 10th to 90th $120 to $389Professionalmedian $191 · 10th to 90th $120 to $251
$100$200$500facility $209professional $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
$120.23
Median
$120.23
Typical High
$208.93
Aetna
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$194.98
Typical High
$251.19
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$208.93
Median
$208.93
Typical High
$208.93
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$371.54
Typical High
$371.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Denver HMP
Setting
Facility
Modifier
Global
Typical Low
$120.23
Median
$223.87
Typical High
$389.05
Denver HMP
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$281.84
Typical High
$281.84
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$724.44
Median
$724.44
Typical High
$724.44
Select Health
Setting
Facility
Modifier
Global
Typical Low
$295.12
Median
$524.81
Typical High
$588.84
Select Health
Setting
Professional
Modifier
Global
Typical Low
$245.47
Median
$354.81
Typical High
$489.78
United
Setting
Facility
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$144.54
United
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$144.54
Typical High
$239.88

Where Colorado 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.

Colorado· 30th of 51

$195

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.