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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Tennessee 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?

$174

Typical negotiated rate. In Tennessee, July 2026.

Insurers have agreed to pay about $174 for this service. Most negotiated rates run $148 to $200.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,549 · 10th to 90th $251 to $1,549Professionalmedian $174 · 10th to 90th $141 to $245
$100$200$500$1K$2Kfacility $1,549professional $174

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
$144.54
Median
$251.19
Typical High
$251.19
Aetna
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$173.78
Typical High
$245.47
BCBS
Setting
Professional
Modifier
Global
Typical Low
$177.83
Median
$177.83
Typical High
$257.04
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$1,548.82
Median
$1,548.82
Typical High
$1,548.82
Lucent Health
Setting
Professional
Modifier
Global
Typical Low
$1,445.44
Median
$2,344.23
Typical High
$2,344.23
United
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$144.54
Typical High
$169.82

Where Tennessee 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.

Tennessee· 45th of 51

$174

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.