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Diagnostic Mammogram, One Breast

California rates for HCPCS 77055

A mammogram, a low-dose X-ray of breast tissue, of one breast, done to look into a specific problem on that side such as a lump, pain, or an abnormal earlier result. Images are aimed at the area of concern.

Rates data updated July 2026.

How much does Diagnostic Mammogram, One Breast cost?

$219

Typical negotiated rate. In California, July 2026.

Insurers have agreed to pay about $219 for this service. Most negotiated rates run $123 to $380.

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 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $138 · 10th to 90th $83 to $302Professionalmedian $380 · 10th to 90th $380 to $398
$50.0$100.0$200.0$500.0$1.0Kfacility $138professional $380

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Cigna
Setting
Professional
Modifier
Global
Typical Low
$128.82
Median
$162.18
Typical High
$275.42
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$398.11
Median
$630.96
Typical High
$1,698.24
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$302.00
Median
$302.00
Typical High
$302.00
Lucent Health
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$398.11
Providence
Setting
Facility
Modifier
Global
Typical Low
$74.13
Median
$123.03
Typical High
$186.21
Providence
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$123.03
Typical High
$123.03

Where California sits

The same service costs 7.6 times more in Massachusetts than in Florida. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

California $219 · 6th of 36
MA $398FL $52.48

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.