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Diagnostic Mammogram, Both Breasts

Illinois rates for HCPCS 77066

A breast X-ray exam of both breasts performed to investigate a specific concern, such as a lump, pain, nipple discharge, or a finding from a prior screening mammogram. It typically involves more detailed imaging and closer review than a routine screening exam. It's ordered when there's already a reason to look more closely rather than as general preventive screening.

Rates data updated October 2026.

How much does Diagnostic Mammogram, Both Breasts cost?

$191

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $191 for this service. The price depends on where it is billed: about $191 from a physician practice, and about $251 from a hospital or other facility.

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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$191$135 to $234
FacilityA hospital or hospital-owned outpatient department$251$155 to $447

How much rates vary

Facilitymedian $251 · 10th to 90th $135 to $1,148Professionalmedian $191 · 10th to 90th $72 to $309
$50$100$200$500$1K$2Kfacility $251professional $191

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$134.90
Median
$190.55
Typical High
$257.04
Aetna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$42.66
Median
$58.88
Typical High
$81.28
Aetna
Setting
Facility
Modifier
TC · Technical part
Typical Low
$91.20
Median
$128.82
Typical High
$281.84
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$134.90
Median
$151.36
Typical High
$234.42
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$41.69
Median
$44.67
Typical High
$70.79
Aetna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$95.50
Median
$104.71
Typical High
$162.18
Ambetter
Setting
Professional
Modifier
None (both parts)
Typical Low
$114.82
Median
$141.25
Typical High
$177.83
Ambetter
Setting
Professional
Modifier
26 · Professional part
Typical Low
$38.02
Median
$47.86
Typical High
$69.18
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$144.54
Median
$426.58
Typical High
$1,659.59
BCBS Illinois
Setting
Professional
Modifier
None (both parts)
Typical Low
$61.66
Median
$169.82
Typical High
$354.81
Cigna
Setting
Facility
Modifier
None
Typical Low
$123.03
Median
$323.59
Typical High
$1,047.13
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$144.54
Median
$199.53
Typical High
$288.40
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$42.66
Median
$57.54
Typical High
$87.10
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$109.65
Median
$144.54
Typical High
$204.17
Hally Health
Setting
Professional
Modifier
None
Typical Low
$165.96
Median
$245.47
Typical High
$741.31
Hally Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$72.44
Typical High
$269.15
Hally Health
Setting
Professional
Modifier
TC · Technical part
Typical Low
$123.03
Median
$165.96
Typical High
$489.78
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None (both parts)
Typical Low
$186.21
Median
$190.55
Typical High
$204.17
Molina
Setting
Professional
Modifier
None (both parts)
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
United
Setting
Facility
Modifier
None
Typical Low
$123.03
Median
$123.03
Typical High
$125.89
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$169.82
Median
$204.17
Typical High
$309.03
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$60.26
Typical High
$91.20
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$120.23
Median
$144.54
Typical High
$213.80
1 more rate with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
FX · Film X-ray
Typical Low
$107.15
Median
$120.23
Typical High
$120.23

Where Illinois sits

The same service costs 4.0 times more in Alaska than in Texas. 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.

Illinois· 26th of 51

$191

AK $479TX $120

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.