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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

South Dakota 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?

$191

Typical negotiated rate. In South Dakota, July 2026.

Insurers have agreed to pay about $191 for this service. Most negotiated rates run $178 to $275.

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.

How much rates vary

Facilitymedian $275 · 10th to 90th $204 to $389Professionalmedian $191 · 10th to 90th $120 to $363
$100$200$500$1Kfacility $275professional $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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$229.09
Median
$229.09
Typical High
$229.09
Aetna
Setting
Professional
Modifier
Global
Typical Low
$177.83
Median
$190.55
Typical High
$363.08
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$269.15
Typical High
$302.00
Medica
Setting
Facility
Modifier
Global
Typical Low
$204.17
Median
$295.12
Typical High
$389.05
Medica
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$144.54
Typical High
$1,412.54
Midlands
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$302.00
Typical High
$302.00
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$309.03
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$281.84
Typical High
$281.84

Where South Dakota 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.

South Dakota· 34th of 51

$191

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.