Welcome to the NGSP Web Site
The purpose of the NGSP is to standardize Hemoglobin A1c test results to those of the Diabetes Control and Complications Trial (DCCT) and United Kingdom Prospective Diabetes Study (UKPDS) which established the direct relationships between HbA1c levels and outcome risks in patients with diabetes.
2010 Manufacturer Forum at the AACC
Download Certification Packets
The Relationship Between HbA1c and Estimated Average Glucose (eAG)
Latest CAP Summary Report
The summary report for the CAP 2010A GH2 survey is now available. Download (pdf)....
New Certification Criteria
The NGSP has tightened the criteria for manufacturer and laboratory certification. Read more....
Interferences with HbA1c Measurements
Factors that can result in falsely elevated or lowered HbA1c results include hemoglobin variants and conditions which affect red cell lifespan. Read more....