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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Washington 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 $331 · 10th–90th $269$6170%20%10th90th$331Professionalmedian $214 · 10th–90th $141$3160%10%10th90th$214$50.0$100.0$200.0$500.0$1.0K

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
$213.80
Median
$213.80
Typical High
$512.86
Aetna
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$208.93
Typical High
$269.15
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$537.03
Median
$616.60
Typical High
$794.33
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$537.03
Median
$616.60
Typical High
$794.33
Molina
Setting
Professional
Modifier
Global
Typical Low
$39.81
Median
$50.12
Typical High
$239.88
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$269.15
Median
$331.13
Typical High
$537.03
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$331.13
Typical High
$331.13
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$229.09
Median
$263.03
Typical High
$263.03
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$229.09
Median
$229.09
Typical High
$269.15
United
Setting
Facility
Modifier
Global
Typical Low
$120.23
Median
$223.87
Typical High
$239.88
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$263.03
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$371.54
Median
$371.54
Typical High
$371.54