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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

California 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 $229 · 10th–90th $182$5750%20%10th90th$229Professionalmedian $182 · 10th–90th $135$2750%20%10th90th$182$50.0$500.0$5.0K$50.0K$500.0K

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
$141.25
Median
$141.25
Typical High
$151.36
Aetna
Setting
Professional
Modifier
Global
Typical Low
$134.90
Median
$194.98
Typical High
$251.19
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$181.97
Median
$229.09
Typical High
$575.44
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$263.03
Median
$371.54
Typical High
$371.54
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$331.13
Median
$616.60
Typical High
$776.25
Blue Shield
Setting
Professional
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$380.19
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$346.74
Typical High
$407.38
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
Providence
Setting
Facility
Modifier
Global
Typical Low
$181.97
Median
$281.84
Typical High
$478.63
Providence
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$263.03
United
Setting
Facility
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$41.69
United
Setting
Professional
Modifier
Global
Typical Low
$107.15
Median
$144.54
Typical High
$281.84