HCFA can use 'sampling' to calculate IOUs--court.
Burda
D
D
D014487:Centers for Medicare and Medicaid Services, U.S.; D005375:Financial Audit / Q000331:legislation & jurisprudence*; D007345:Insurance Claim Review / Q000331:legislation & jurisprudence*; D016345:Medicare Part B / Q000331:legislation & jurisprudence*; D012494:Sampling Studies; D014481:United States