The followings are the results for quality assessment in immunoserology for 2000 :
1. Evaluation of external quality assessment was done in 2 trials, the first was participated by 87.1% and the second by 89.8%.
2. The statistics of items that could be quantitated were sent according to the various manufacturer.
3. Test methods for immunoserology laboratory tests were not significantly change.
4. Concordance with the recommended result was highest for anti-HIV, and lowest for HBs-Ag, STS-nontreponemal and RF test.