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CYP2D6 Classification Assignment Based on Allele Combinations.
| Allele combination | n (%) | Classification |
|---|---|---|
| *1/*1 | 15 (13.5) | EM |
| *1/*2 | 5 (4.5) | EM |
| *2/*2 | 18 (16) | EM |
| *2/*39 | 25 (22) | EM |
| *39/*39 | 2 (1.8) | EM |
| *1/*3 | 1 (.09) | IM |
| *1/*9 | 3 (2.7) | IM |
| *1/*10 | 4 (3.6) | IM |
| *1/*4 | 32 (28.5) | IM |
| *9/*9 | 1 (.09) | PM |
| *4/*4 | 6 (5.3) | PM |
Note. EM = extensive metabolizer; IM = intermediate metabolizer; PM = poor metabolizer.
