Table 1: US and Canadian physician fees for selected diagnostic imaging procedures
Procedure	US fee, converted to Can$			OHIP* fee 1992-present
	Minimum (Medicare)	Maximum (private insurance)	Median (minimum + maximum/2)
Chest radiograph	13.60	54.40	34.00	8.80
Mammogram	NA†	68.00	68.00	20.20
Needle localization for lumpectomy	87.04	272.00	179.52	46.50
Nuclear-medicine ventilation-perfusion scan	51.68	217.60	134.64	50.35
MRI scan of the lumbar spine	91.12	394.40	242.76	96.35
CT scan of the head with and without contrast agent	77.52	353.60	215.56	71.90
Obstetric ultrasonographic scan:
Uncomplicated	47.60	217.60	132.60	29.10
Multiple gestation	121.04	400.08	260.56	29.10
Biophysical profile	47.60	217.60	132.60	0
Cord doppler analysis	5.44	171.36	88.40	0
*OHIP = Ontario Health Insurance Plan. †NA = not available.

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