Effective 1/10/04, whenever a serum creatinine value is available, an estimated Glomerular Filtration Rate (GFR) will also be calculated. Additional information for care providers will be available in IPR as GFR info indicated by a yellow question mark and GFR. This information includes a Primary Care Provider Fact Sheet on Chronic Kidney Disease supplied by the National Kidney Disease Education program. Problems should be reported to the IPR Help Desk at 4-7007.