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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

New Mexico 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 New Mexico, July 2026.

Insurers have agreed to pay about $174 for this service. The price depends on where it is billed: about $174 from a physician practice, and about $282 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 5 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$174$148 to $209
FacilityA hospital or hospital-owned outpatient department$282$191 to $380

How much rates vary

Facilitymedian $282 · 10th to 90th $148 to $537Professionalmedian $174 · 10th to 90th $141 to $224
$200$500facility $282professional $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
$208.93
Median
$208.93
Typical High
$208.93
Aetna
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$173.78
Typical High
$223.87
BCBS
Setting
Professional
Modifier
Global
Typical Low
$165.96
Median
$218.78
Typical High
$218.78
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Providence
Setting
Facility
Modifier
Global
Typical Low
$147.91
Median
$281.84
Typical High
$537.03
Providence
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$288.40
United
Setting
Facility
Modifier
Global
Typical Low
$239.88
Median
$281.84
Typical High
$281.84
United
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$144.54
Typical High
$239.88

Where New Mexico 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.

New Mexico· 40th 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.