A fast, simple, accurate method for the assay of triglycerides on the ABA-100 is described. 2. The Abbott A-Gent Triglyceride kit, Calbiochem Triglyceride Stat-Pack reagent and the Smith Kline French Eskalab Triglyceride reagent were evaluated for use with this method. The reagents were all found to be satisfactory, but the Abbott A-Gent Triglyceride kit was found to be less stable than the other reagents.