| 14119-2 | Lactate dehydrogenase 1/Lactate dehydrogenase 2 |
| 16325-3 | Alanine aminotransferase/Aspartate aminotransferase |
| 1916-6 | Aspartate aminotransferase/Alanine aminotransferase |
| 2158-4 | Creatine kinase.total/Creatine kinase.MB |
| 2325-9 | Gamma glutamyl transferase/Aspartate aminotransferase |
| 45295-3 | Acetylcholinesterase/Cholinesterase (Amniotic Fluid) |
| 50757-4 | Creatine kinase.total/Creatine kinase.MB (Blood) |
| 53445-3 | Carnitine palmitoyltransferase 2/Citrate synthase in Fibroblast |
| 53446-1 | Carnitine palmitoyltransferase 2/Citrate synthase (Red Blood Cells) |
| 55892-4 | Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase cells (Amniotic Fluid) |
| 55893-2 | Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase (Red Blood Cells) |
| 55894-0 | Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase in Placenta |
| 55895-7 | Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase in Chorionic villus sample |
| 74542-2 | Pyruvate kinase/Glucose-6-Phosphate dehydrogenase (Red Blood Cells) |
| 74584-4 | Cytochrome C oxidase/Citrate synthase (Tissue) |
| 74585-1 | Coenzyme Q cytochrome C reductase (Complex III)/Citrate synthase (Tissue) |
| 74587-7 | Succinate cytochrome C reductase/Citrate synthase (Tissue) |
| 74589-3 | Succinate dehydrogenase/Citrate synthase (Tissue) |
| 74590-1 | NADH cytochrome C reductase/Citrate synthase (Tissue) |
| 78359-7 | Acyl CoA dehydrogenases.palmitate substrate/Acyl CoA dehydrogenases.myristate substrate in Fibroblast |
| 93852-2 | N-Acetylgalactosamine-4-Sulfatase/N-Acetylgalactosamine-6-Sulfatase (Urine) |