CK-MB - 6 Art: 716675-00L Rev. Date: 03-Aug-12
Interference Testing
When added to a plasma pool containing approximately 20 ng/mL of creatine kinase MB isoenzyme, the
following substances were found to have no significant effect (less than 10%) on the CK-MB method at
the concentrations indicated
Compound Test Level
(μmol/L unless otherwise indicated)
Acetaminophen 1660
Allopurinol 294
Ampicillin 152
Ascorbic Acid 227
Acetyl Salicylic Acid 3330
Atenolol 37.6
Caffeine 308
Captopril 23
Chloramphenicol 155
Diclofenac 169
Digoxin 6.15
Dopamine 5.87
Enalaprilat 0.86
Erythromycin 81.6
Furosemide 181
Sodium Heparin 90 U/mL
Ibuprofen 2425
Isosorbide dinitrate 636
Methyldopa 71
Nicotine 6.2
Nifedipine 1156
Phenytoin 198
Propanolol 7.71
Salicylic Acid 4340
Theophylline 222
Verapamil 4.4
Warfarin 64.9
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