SelfPayRates — hospital cash prices, from the source

Diagnostic mammogram, both breasts in Springfield, IL

Cash prices at 1 facility for code 77066, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Hospital		Cash price	List price	Off	File date
ST JOHNS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST FRANCIS SPRINGFIELD, IL HC MAMMOGRAM DIAG BILAT W/CAD	both sides	$478.80	$665.00	28%	— file
ST JOHNS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST FRANCIS SPRINGFIELD, IL HC MAMMOGRAM DIAG BILAT W/CAD ADDNT VIEW	both sides	$519.84	$722.00	28%	— file

Both sides : lowest $478.80, median $499.32, highest $519.84 — a 1.1× difference within the same market.

As an inpatient, the same code is billed by 1 facility here, median $499.32. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

Other markets for this procedure