How long for level 5 liver laceration to heal?

Several weeks . A grade v liver laceration is severe. It will take several weeks to heal. Not only is the liver lacerated but you may have blood loss and it will take time to recover from other injuries. Start slow and build each day. If you over do it you will notice the next day. If you are taking narcotics for pain then use colace (docusate sodium) and senna. Be well.