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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

North Carolina 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?

$209

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $209 for this service. The price depends on where it is billed: about $209 from a physician practice, and about $245 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 6 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$209$174 to $240
FacilityA hospital or hospital-owned outpatient department$245$245 to $302

How much rates vary

Facilitymedian $245 · 10th to 90th $200 to $417Professionalmedian $209 · 10th to 90th $145 to $245
$100$200$500$1Kfacility $245professional $209

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
$245.47
Median
$245.47
Typical High
$245.47
Aetna
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$199.53
Typical High
$245.47
BCBS
Setting
Professional
Modifier
Global
Typical Low
$208.93
Median
$208.93
Typical High
$229.09
Cigna
Setting
Facility
Modifier
Global
Typical Low
$371.54
Median
$371.54
Typical High
$371.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Medcost
Setting
Facility
Modifier
Global
Typical Low
$186.21
Median
$257.04
Typical High
$389.05
United
Setting
Facility
Modifier
Global
Typical Low
$120.23
Median
$144.54
Typical High
$281.84
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$218.78
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$1,479.11
Median
$1,479.11
Typical High
$1,479.11
Wellcare
Setting
Professional
Modifier
Global
Typical Low
$1,445.44
Median
$1,445.44
Typical High
$2,344.23

Where North Carolina 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.

North Carolina· 15th of 51

$209

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.