Which of the following is not a reason that Medicare fraud is difficult to estimate?

A. Health care claims are destroyed after two years.
B. Fraud is hard to detect.
C. Sometimes a claim is partially fraudulent and partially accurate.
D. Dollar amounts spent in a single incident of fraud are increasing.
E. Statistics from prior years are not always accurate.

A. Health care claims are destroyed after two years.

Medicare fraud is often difficult to detect because of the size of the system, which leads to partially accurate and partially fraudulent claims. While records are kept for many years, the actual statistics are not as reliable because more and more ways are found to defraud Medicare.