Taipei's VHG processes over 200 such tests a year. Tzeng Cheng-hwai points out that the volume of tests performed there peaked in 1999 and 2000, with 400 to 500 each year. In recent years, as the number of certified medical institutions has increased, the number of tests handled by individual institutions has declined.
而台北榮總每年約有兩百多件，榮總輸血醫學科主任曾成槐指出，1999、2000 年時鑑定量最多，平均一年有四、五百件，近年由於取得認證的醫療院所增加，分散的結果導致每家醫院的件數減少。