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Figure 5. How Procedures Are Billed, by Body System

Pie charts showing the differences between billing for procedures with Medicare, Medicaid, privately insured and uninsured. Chart 1: Medicare: Cardiovascular, 43%; Digestive, 22%; Musculoskeletal, 10%; All other, 25%. Chart 2: Medicaid: Obstetrical, 38%; Cardiovascular, 14%; Digestive, 11%;  Respiratory, 10%; All other, 27%. Chart 3: Privately Insured: Obstetrical, 28%; Cardiovascular, 20%; Digestive, 13%;  Genital (female), 9%; Musculoskeletal, 7%; All other, 23%. Chart 4: Uninsured: Obstetrical, 22%; Cardiovascular, 20%; Digestive, 18%; Musculoskeletal, 9%; Skin, 7%; All other, 24%. Note: Percentages of 6 percent or less are not shown separately.

Note: Percentages of 6 percent or less are not shown separately.

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