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Adjunctive Nonimplanted Continuous Glucose Monitor Supplies

Massachusetts 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 $363 · 10th–90th $174$6610%10%20%10th90th$363Professionalmedian $240 · 10th–90th $145$2820%20%40%10th90th$240$100.0$500.0$2.0K$10.0K$50.0K

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
$173.78
Median
$173.78
Typical High
$173.78
Aetna
Setting
Professional
Modifier
Global
Typical Low
$147.91
Median
$190.55
Typical High
$251.19
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$263.03
Median
$281.84
Typical High
$1,548.82
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$269.15
Typical High
$457.09
BCBS
Setting
Facility
Modifier
Global
Typical Low
$316.23
Median
$380.19
Typical High
$501.19
Cigna
Setting
Professional
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$60.26
Median
$295.12
Typical High
$8,511.38
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$239.88
Typical High
$257.04
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$263.03
Median
$281.84
Typical High
$1,548.82
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$269.15
Typical High
$457.09
United
Setting
Facility
Modifier
Global
Typical Low
$194.98
Median
$194.98
Typical High
$281.84
United
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$239.88
Typical High
$269.15