Diagnostic mammogram, both breasts at Barnes-Jewish St. Peters Hospital
CPT 77066 · Saint Peters, MO
These are Barnes-Jewish St. Peters Hospital's own posted figures from its standard-charges file dated December 15, 2025. They are not a quote. Source: the hospital's file · its price transparency page.
Across 12 Missouri hospitals we index that post a cash price for this service: lowest $292.80, median $326.30, highest $455.65. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Progress West Hospital Ofallon, MO | 7.1 mi | $292.80 | $488.00 | 2025-12-15 |
| Mercy Hospital St. Louis Saint Louis, MO | 13.0 mi | $372.45 | $573.00 | 2026-06-04 |
| Barnes-Jewish West County Hospital Creve Coeur, MO | 13.0 mi | $292.80 | $488.00 | 2025-12-15 |
| Missouri Baptist Medical Center Saint Louis, MO | 15.8 mi | $292.80 | $488.00 | 2025-12-15 |
| Christian Hospital Northeast Saint Louis, MO | 19.4 mi | $292.80 | $488.00 | 2025-12-15 |
| Barnes Jewish Hospital Saint Louis, MO | 22.2 mi | $319.80 | $533.00 | 2025-12-15 |
| Mercy Hospital South Saint Louis, MO | 24.6 mi | $419.90 | $646.00 | 2026-06-10 |
| Mercy Hospital Lincoln Troy, MO | 24.8 mi | $332.80 | $512.00 | 2026-06-10 |
Distances are straight-line from ZIP code centers. Each hospital's figures come from its own file; files are updated on different dates.
Every row for CPT 77066 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| HC Diag Mamm Bilat Ddi standard_charge_information[6404] | both | $292.80 | $488.00 | $105.28 – $488.00 |
| HC Diagnostic Mamm Bi With Cad standard_charge_information[6405] | both | $292.80 | $488.00 | $105.28 – $488.00 |
The first row is the one used above. A price for one code usually covers the hospital's facility charge only; the doctor, anesthesia, pathology and other services can be billed separately. Ask the hospital for a good faith estimate before a scheduled service: if you pay yourself and the bill comes in $400 or more above the estimate, you can dispute it under the No Surprises Act.
Check a bill from this hospital All Barnes-Jewish St. Peters Hospital prices