A comparison of third-quarter data from 2009, 2010 and 2011 reveals a notable increase in the number of questionable claims submitted, according to a new report issued by the National Insurance Crime Bureau, Des Plaines, Ill. In its third-quarter 2011 questionable claims (QC) referral reason analysis, the Bureau examined six referral reason categories of claims—property, casualty, commercial, workers’ compensation, vehicle and miscellaneous—for the quarters listed above.