go back

Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Iowa 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 Iowa, 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 $240 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$209$178 to $251
FacilityA hospital or hospital-owned outpatient department$240$209 to $355

How much rates vary

Facilitymedian $240 · 10th to 90th $209 to $631Professionalmedian $209 · 10th to 90th $145 to $363
$200$500$1Kfacility $240professional $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
$208.93
Median
$208.93
Typical High
$208.93
Aetna
Setting
Professional
Modifier
Global
Typical Low
$177.83
Median
$208.93
Typical High
$251.19
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$331.13
Typical High
$1,047.13
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$676.08
Typical High
$676.08
Medica
Setting
Facility
Modifier
Global
Typical Low
$208.93
Median
$302.00
Typical High
$691.83
Medica
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$204.17
Typical High
$1,023.29
Midlands
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$354.81
Typical High
$1,047.13
Midlands
Setting
Professional
Modifier
Global
Typical Low
$323.59
Median
$323.59
Typical High
$1,047.13
United
Setting
Facility
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$194.98
United
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$239.88
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$223.87
Median
$281.84
Typical High
$281.84

Where Iowa 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.

Iowa· 21st 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.