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.
Convert between NGSP, IFCC and eAG
We have added a tool for converting between NGSP(%), IFCC (mmol/mol) and eAG (mg/dL) units. Click here...
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...
CAP 2013 GH2b Summary Report
The summary report for the CAP 2013 GH2b proficiency survey is now available. Download...
New NGSP Criteria beginning Jan. 2014
New NGSP certification criteria will go into effect beginning with January 2014 certifications.. Read more….
Change in CAP Survey Grading
Beginning in 2013 the CAP acceptable limit for the GH2 HbA1c survey has been reduced to +/-6% of the NGSP target. Read more….