Alcohol liver injur. If you do not have a preexisting liver disease like hepatitis b orc, or alcoholic liver disease, then by drinking alcohol in moderation will not cause any major problem. But to be absolutely safe and to help the healing of the laceration, I will advice to refrain from alcohol till the laceration has had enough time to heal. You did not mention if you had surgical repair of the laceration or not.
If you have been. If you have been cleared by the doctors, moderate consumption should be just fine. Good luck from nyc.