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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Idaho 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 October 2026.

How much does Adjunctive Nonimplanted Continuous Glucose Monitor Supplies cost?

$275

Typical negotiated rate. In Idaho, October 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $275 from a physician practice, and about $355 from a hospital or other facility.

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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$275$162 to $363
FacilityA hospital or hospital-owned outpatient department$355$275 to $363

How much rates vary

Facilitymedian $355 · 10th to 90th $269 to $457Professionalmedian $275 · 10th to 90th $145 to $363
$50$100$200$500facility $355professional $275

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$213.80
Median
$363.08
Typical High
$363.08
BCBS Idaho
Setting
Facility
Modifier
KF · Class III device
Typical Low
$263.03
Median
$269.15
Typical High
$446.68
BCBS Idaho
Setting
Professional
Modifier
KF · Class III device
Typical Low
$194.98
Median
$295.12
Typical High
$309.03
Cigna
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Moda Health
Setting
Facility
Modifier
None
Typical Low
$213.80
Median
$269.15
Typical High
$363.08
Moda Health
Setting
Professional
Modifier
None
Typical Low
$213.80
Median
$363.08
Typical High
$363.08
Moda Health
Setting
Professional
Modifier
KF · Class III device
Typical Low
$269.15
Median
$281.84
Typical High
$295.12
Molina
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$275.42
Median
$354.81
Typical High
$457.09
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$275.42
Median
$354.81
Typical High
$537.03
MountainHealth Co-op
Setting
Professional
Modifier
KF · Class III device
Typical Low
$295.12
Median
$295.12
Typical High
$295.12
Regence BlueShield
Setting
Facility
Modifier
KF · Class III device
Typical Low
$263.03
Median
$269.15
Typical High
$407.38
Regence BlueShield
Setting
Professional
Modifier
KF · Class III device
Typical Low
$194.98
Median
$194.98
Typical High
$295.12
Select Health
Setting
Facility
Modifier
None
Typical Low
$281.84
Median
$281.84
Typical High
$288.40
Select Health
Setting
Professional
Modifier
None
Typical Low
$281.84
Median
$309.03
Typical High
$660.69
United
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$144.54
Typical High
$169.82

Where Idaho sits

The same service costs 2.1 times more in Montana than in Hawaii. 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.

Idaho· 2nd of 51

$275

MT $282HI $135

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.