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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Illinois 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.

Facilitymedian $158 · 10th–90th $158$1,5850%50%90th$158Professionalmedian $209 · 10th–90th $141$2510%20%10th90th$209$100.0$200.0$500.0$1.0K$2.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$251.19
Aetna
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$194.98
Typical High
$251.19
BCBS
Setting
Facility
Modifier
Global
Typical Low
$616.60
Median
$1,584.89
Typical High
$3,090.30
BCBS
Setting
Professional
Modifier
Global
Typical Low
$208.93
Median
$208.93
Typical High
$208.93
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$676.08
Typical High
$676.08
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
United
Setting
Facility
Modifier
Global
Typical Low
$169.82
Median
$223.87
Typical High
$281.84
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$239.88