Scans and imaging CPT 77066 Inpatient — admitted to hospital

Diagnostic mammogram, both breasts in San Francisco-Oakland-Fremont, CA — inpatient

In San Francisco-Oakland-Fremont, CA, 11 hospitals list a cash price for Diagnostic mammogram, both breasts (both sides) as an inpatient: from $158.66 to $504.00, with a median of $504.00. The lowest listed price is at Hayward Sisters Hospital.

Cash prices at 11 facilities across 11 cities for code 77066, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 23, 2026 and Apr 1, 2026.

Lowest$158.66Hayward Sisters Hospital
Median$504.00half pay less
Highest$504.00in this market
Difference3.2×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in San Francisco-Oakland-Fremont, CA.

median
Lowest $158.66Highest $504.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Hayward Sisters Hospital both sides lowest Hayward, CA MM DIGITAL DIAG BILATERAL $158.66 $528.88 70% Feb 23, 2026
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Stanford Health Care Tri-Valley both sides Pleasanton, CA Digital Diag Mammography Bilat Incl Cad $417.20 $1,043.00 60% Apr 1, 2026
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Kaiser Foundation Hospital - Oakland/Richmond both sides Oakland, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - Redwood City both sides Redwood City, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - San Francisco both sides San Francisco, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - Antioch both sides Antioch, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - San Rafael both sides San Rafael, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - South San Francisco both sides South San Francisco, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - Walnut Creek both sides Walnut Creek, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - San Leandro both sides San Leandro, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Kaiser Foundation Hospital - Fremont both sides Fremont, CA DIAGNOSTIC MAMMOGRAPHY COMPUTER-AIDED DETCJ BI $504.00 $900.00 44%
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Both sides : lowest $158.66, median $504.00, highest $504.00 — a 3.2× difference within the same market.

As an outpatient, the same code is billed by 11 facilities here, median $504.00 — that is the price to compare if you are not being admitted.

As an outpatient, the same code is billed by 1 facility here, median $665.00 — that is the price to compare if you are not being admitted.

What it is

A diagnostic mammogram of both breasts is an X-ray exam done to look into symptoms or to follow up on something seen on an earlier mammogram. It uses more targeted views than a routine screening exam.

What the price covers

The hospital price usually covers the imaging of both breasts, including computer-aided detection when used. The radiologist's reading is often billed separately, and 3D mammography or a breast ultrasound is billed under other codes.