Description: Presents a step-by-step methodology for calculating confidence intervals for IBNR estimates derived using the Averaqe PMPM method. It is a companion article to the January 2023 Health Watch article presenting the Average PMPM method for generating point estimates of IBNR with zero claims runout.

Description: This session 39TS of the 2004 Valuation Actuary Symposium discusses the different techniques for determining health unpaid claim liabilities such as the traditional loss development method, casualty reserving techniques and new approaches that have been discussed in recent actuarial literature. Case studies explore and illustrate the issues and the pros and cons associated with each technique.

Description: Calculation of IBNR Reserves compares IBNP lag method to Incurred Claims PMPM method which produces lower Variance. Issue No. 46.